64488490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 132088320

約数和(自身を除く): 67599830

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 79, 82, 110, 158, 181, 205, 362, 395, 410, 451, 790, 869, 902, 905, 1738, 1810, 1991, 2255, 3239, 3982, 4345, 4510, 6478, 7421, 8690, 9955, 14299, 14842, 16195, 19910, 28598, 32390, 35629, 37105, 71258, 71495, 74210, 81631, 142990, 157289, 163262, 178145, 314578, 356290, 408155, 586259, 786445, 816310, 1172518, 1572890, 2931295, 5862590, 6448849, 12897698, 32244245, 64488490]

約数ペア:

[(1, 64488490), (2, 32244245), (5, 12897698), (10, 6448849), (11, 5862590), (22, 2931295), (41, 1572890), (55, 1172518), (79, 816310), (82, 786445), (110, 586259), (158, 408155), (181, 356290), (205, 314578), (362, 178145), (395, 163262), (410, 157289), (451, 142990), (790, 81631), (869, 74210), (902, 71495), (905, 71258), (1738, 37105), (1810, 35629), (1991, 32390), (2255, 28598), (3239, 19910), (3982, 16195), (4345, 14842), (4510, 14299), (6478, 9955), (7421, 8690)]