643764944

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 1318832256

約数和(自身を除く): 675067312

約数列:

[1, 2, 4, 8, 16, 41, 67, 82, 97, 134, 151, 164, 194, 268, 302, 328, 388, 536, 604, 656, 776, 1072, 1208, 1552, 2416, 2747, 3977, 5494, 6191, 6499, 7954, 10117, 10988, 12382, 12998, 14647, 15908, 20234, 21976, 24764, 25996, 29294, 31816, 40468, 43952, 49528, 51992, 58588, 63632, 80936, 99056, 103984, 117176, 161872, 234352, 266459, 414797, 532918, 600527, 829594, 981349, 1065836, 1201054, 1659188, 1962698, 2131672, 2402108, 3318376, 3925396, 4263344, 4804216, 6636752, 7850792, 9608432, 15701584, 40235309, 80470618, 160941236, 321882472, 643764944]

約数ペア:

[(1, 643764944), (2, 321882472), (4, 160941236), (8, 80470618), (16, 40235309), (41, 15701584), (67, 9608432), (82, 7850792), (97, 6636752), (134, 4804216), (151, 4263344), (164, 3925396), (194, 3318376), (268, 2402108), (302, 2131672), (328, 1962698), (388, 1659188), (536, 1201054), (604, 1065836), (656, 981349), (776, 829594), (1072, 600527), (1208, 532918), (1552, 414797), (2416, 266459), (2747, 234352), (3977, 161872), (5494, 117176), (6191, 103984), (6499, 99056), (7954, 80936), (10117, 63632), (10988, 58588), (12382, 51992), (12998, 49528), (14647, 43952), (15908, 40468), (20234, 31816), (21976, 29294), (24764, 25996)]