642164432

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:353

約数の個数: 160

約数和(自身を含む): 1633228800

約数和(自身を除く): 991064368

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 139, 152, 167, 182, 208, 247, 266, 278, 304, 334, 364, 494, 532, 556, 668, 728, 973, 988, 1064, 1112, 1169, 1336, 1456, 1729, 1807, 1946, 1976, 2128, 2171, 2224, 2338, 2641, 2672, 3173, 3458, 3614, 3892, 3952, 4342, 4676, 5282, 6346, 6916, 7228, 7784, 8684, 9352, 10564, 12649, 12692, 13832, 14456, 15197, 15568, 17368, 18487, 18704, 21128, 22211, 23213, 25298, 25384, 27664, 28912, 30394, 34333, 34736, 36974, 41249, 42256, 44422, 46426, 50596, 50768, 60788, 68666, 73948, 82498, 88844, 92852, 101192, 121576, 137332, 147896, 162491, 164996, 177688, 185704, 202384, 240331, 243152, 274664, 288743, 295792, 301769, 324982, 329992, 355376, 371408, 441047, 480662, 549328, 577486, 603538, 649964, 659984, 882094, 961324, 1154972, 1207076, 1299928, 1764188, 1922648, 2112383, 2309944, 2414152, 2599856, 3087329, 3528376, 3845296, 4224766, 4619888, 4828304, 5733611, 6174658, 7056752, 8449532, 11467222, 12349316, 16899064, 22934444, 24698632, 33798128, 40135277, 45868888, 49397264, 80270554, 91737776, 160541108, 321082216, 642164432]

約数ペア:

[(1, 642164432), (2, 321082216), (4, 160541108), (7, 91737776), (8, 80270554), (13, 49397264), (14, 45868888), (16, 40135277), (19, 33798128), (26, 24698632), (28, 22934444), (38, 16899064), (52, 12349316), (56, 11467222), (76, 8449532), (91, 7056752), (104, 6174658), (112, 5733611), (133, 4828304), (139, 4619888), (152, 4224766), (167, 3845296), (182, 3528376), (208, 3087329), (247, 2599856), (266, 2414152), (278, 2309944), (304, 2112383), (334, 1922648), (364, 1764188), (494, 1299928), (532, 1207076), (556, 1154972), (668, 961324), (728, 882094), (973, 659984), (988, 649964), (1064, 603538), (1112, 577486), (1169, 549328), (1336, 480662), (1456, 441047), (1729, 371408), (1807, 355376), (1946, 329992), (1976, 324982), (2128, 301769), (2171, 295792), (2224, 288743), (2338, 274664), (2641, 243152), (2672, 240331), (3173, 202384), (3458, 185704), (3614, 177688), (3892, 164996), (3952, 162491), (4342, 147896), (4676, 137332), (5282, 121576), (6346, 101192), (6916, 92852), (7228, 88844), (7784, 82498), (8684, 73948), (9352, 68666), (10564, 60788), (12649, 50768), (12692, 50596), (13832, 46426), (14456, 44422), (15197, 42256), (15568, 41249), (17368, 36974), (18487, 34736), (18704, 34333), (21128, 30394), (22211, 28912), (23213, 27664), (25298, 25384)]