639732368

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3169}}^1$

素因数の和:3256

約数の個数: 80

約数和(自身を含む): 1433955840

約数和(自身を除く): 794223472

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 37, 44, 62, 74, 88, 124, 148, 176, 248, 296, 341, 407, 496, 592, 682, 814, 1147, 1364, 1628, 2294, 2728, 3169, 3256, 4588, 5456, 6338, 6512, 9176, 12617, 12676, 18352, 25234, 25352, 34859, 50468, 50704, 69718, 98239, 100936, 117253, 139436, 196478, 201872, 234506, 278872, 392956, 469012, 557744, 785912, 938024, 1080629, 1289783, 1571824, 1876048, 2161258, 2579566, 3634843, 4322516, 5159132, 7269686, 8645032, 10318264, 14539372, 17290064, 20636528, 29078744, 39983273, 58157488, 79966546, 159933092, 319866184, 639732368]

約数ペア:

[(1, 639732368), (2, 319866184), (4, 159933092), (8, 79966546), (11, 58157488), (16, 39983273), (22, 29078744), (31, 20636528), (37, 17290064), (44, 14539372), (62, 10318264), (74, 8645032), (88, 7269686), (124, 5159132), (148, 4322516), (176, 3634843), (248, 2579566), (296, 2161258), (341, 1876048), (407, 1571824), (496, 1289783), (592, 1080629), (682, 938024), (814, 785912), (1147, 557744), (1364, 469012), (1628, 392956), (2294, 278872), (2728, 234506), (3169, 201872), (3256, 196478), (4588, 139436), (5456, 117253), (6338, 100936), (6512, 98239), (9176, 69718), (12617, 50704), (12676, 50468), (18352, 34859), (25234, 25352)]