253303336

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{20129}}^1$

素因数の和:20170

約数の個数: 48

約数和(自身を含む): 562230900

約数和(自身を除く): 308927564

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 242, 286, 484, 572, 968, 1144, 1573, 3146, 6292, 12584, 20129, 40258, 80516, 161032, 221419, 261677, 442838, 523354, 885676, 1046708, 1771352, 2093416, 2435609, 2878447, 4871218, 5756894, 9742436, 11513788, 19484872, 23027576, 31662917, 63325834, 126651668, 253303336]

約数ペア:

[(1, 253303336), (2, 126651668), (4, 63325834), (8, 31662917), (11, 23027576), (13, 19484872), (22, 11513788), (26, 9742436), (44, 5756894), (52, 4871218), (88, 2878447), (104, 2435609), (121, 2093416), (143, 1771352), (242, 1046708), (286, 885676), (484, 523354), (572, 442838), (968, 261677), (1144, 221419), (1573, 161032), (3146, 80516), (6292, 40258), (12584, 20129)]