381704778

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:653

約数の個数: 128

約数和(自身を含む): 1052352000

約数和(自身を除く): 670647222

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 173, 182, 189, 234, 273, 346, 351, 378, 449, 519, 546, 702, 819, 898, 1038, 1211, 1347, 1557, 1638, 2249, 2422, 2457, 2694, 3114, 3143, 3633, 4041, 4498, 4671, 4914, 5837, 6286, 6747, 7266, 8082, 9342, 9429, 10899, 11674, 12123, 13494, 15743, 17511, 18858, 20241, 21798, 24246, 28287, 31486, 32697, 35022, 40482, 40859, 47229, 52533, 56574, 60723, 65394, 77677, 81718, 84861, 94458, 105066, 121446, 122577, 141687, 155354, 157599, 169722, 233031, 245154, 283374, 315198, 367731, 425061, 466062, 543739, 699093, 735462, 850122, 1009801, 1087478, 1103193, 1398186, 1631217, 2019602, 2097279, 2206386, 3029403, 3262434, 4194558, 4893651, 6058806, 7068607, 9088209, 9787302, 14137214, 14680953, 18176418, 21205821, 27264627, 29361906, 42411642, 54529254, 63617463, 127234926, 190852389, 381704778]

約数ペア:

[(1, 381704778), (2, 190852389), (3, 127234926), (6, 63617463), (7, 54529254), (9, 42411642), (13, 29361906), (14, 27264627), (18, 21205821), (21, 18176418), (26, 14680953), (27, 14137214), (39, 9787302), (42, 9088209), (54, 7068607), (63, 6058806), (78, 4893651), (91, 4194558), (117, 3262434), (126, 3029403), (173, 2206386), (182, 2097279), (189, 2019602), (234, 1631217), (273, 1398186), (346, 1103193), (351, 1087478), (378, 1009801), (449, 850122), (519, 735462), (546, 699093), (702, 543739), (819, 466062), (898, 425061), (1038, 367731), (1211, 315198), (1347, 283374), (1557, 245154), (1638, 233031), (2249, 169722), (2422, 157599), (2457, 155354), (2694, 141687), (3114, 122577), (3143, 121446), (3633, 105066), (4041, 94458), (4498, 84861), (4671, 81718), (4914, 77677), (5837, 65394), (6286, 60723), (6747, 56574), (7266, 52533), (8082, 47229), (9342, 40859), (9429, 40482), (10899, 35022), (11674, 32697), (12123, 31486), (13494, 28287), (15743, 24246), (17511, 21798), (18858, 20241)]