641696328

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2647}}^1$

素因数の和:2716

約数の個数: 192

約数和(自身を含む): 2197628160

約数和(自身を除く): 1555931832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 37, 39, 42, 52, 56, 63, 72, 74, 78, 84, 91, 104, 111, 117, 126, 148, 156, 168, 182, 222, 234, 252, 259, 273, 296, 312, 333, 364, 444, 468, 481, 504, 518, 546, 666, 728, 777, 819, 888, 936, 962, 1036, 1092, 1332, 1443, 1554, 1638, 1924, 2072, 2184, 2331, 2647, 2664, 2886, 3108, 3276, 3367, 3848, 4329, 4662, 5294, 5772, 6216, 6552, 6734, 7941, 8658, 9324, 10101, 10588, 11544, 13468, 15882, 17316, 18529, 18648, 20202, 21176, 23823, 26936, 30303, 31764, 34411, 34632, 37058, 40404, 47646, 55587, 60606, 63528, 68822, 74116, 80808, 95292, 97939, 103233, 111174, 121212, 137644, 148232, 166761, 190584, 195878, 206466, 222348, 240877, 242424, 275288, 293817, 309699, 333522, 391756, 412932, 444696, 481754, 587634, 619398, 667044, 685573, 722631, 783512, 825864, 881451, 963508, 1175268, 1238796, 1273207, 1334088, 1371146, 1445262, 1762902, 1927016, 2056719, 2167893, 2350536, 2477592, 2546414, 2742292, 2890524, 3525804, 3819621, 4113438, 4335786, 5092828, 5484584, 5781048, 6170157, 7051608, 7639242, 8226876, 8671572, 8912449, 10185656, 11458863, 12340314, 15278484, 16453752, 17343144, 17824898, 22917726, 24680628, 26737347, 30556968, 35649796, 45835452, 49361256, 53474694, 71299592, 80212041, 91670904, 106949388, 160424082, 213898776, 320848164, 641696328]

約数ペア:

[(1, 641696328), (2, 320848164), (3, 213898776), (4, 160424082), (6, 106949388), (7, 91670904), (8, 80212041), (9, 71299592), (12, 53474694), (13, 49361256), (14, 45835452), (18, 35649796), (21, 30556968), (24, 26737347), (26, 24680628), (28, 22917726), (36, 17824898), (37, 17343144), (39, 16453752), (42, 15278484), (52, 12340314), (56, 11458863), (63, 10185656), (72, 8912449), (74, 8671572), (78, 8226876), (84, 7639242), (91, 7051608), (104, 6170157), (111, 5781048), (117, 5484584), (126, 5092828), (148, 4335786), (156, 4113438), (168, 3819621), (182, 3525804), (222, 2890524), (234, 2742292), (252, 2546414), (259, 2477592), (273, 2350536), (296, 2167893), (312, 2056719), (333, 1927016), (364, 1762902), (444, 1445262), (468, 1371146), (481, 1334088), (504, 1273207), (518, 1238796), (546, 1175268), (666, 963508), (728, 881451), (777, 825864), (819, 783512), (888, 722631), (936, 685573), (962, 667044), (1036, 619398), (1092, 587634), (1332, 481754), (1443, 444696), (1554, 412932), (1638, 391756), (1924, 333522), (2072, 309699), (2184, 293817), (2331, 275288), (2647, 242424), (2664, 240877), (2886, 222348), (3108, 206466), (3276, 195878), (3367, 190584), (3848, 166761), (4329, 148232), (4662, 137644), (5294, 121212), (5772, 111174), (6216, 103233), (6552, 97939), (6734, 95292), (7941, 80808), (8658, 74116), (9324, 68822), (10101, 63528), (10588, 60606), (11544, 55587), (13468, 47646), (15882, 40404), (17316, 37058), (18529, 34632), (18648, 34411), (20202, 31764), (21176, 30303), (23823, 26936)]