221208468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{3467}}^1$

素因数の和:3896

約数の個数: 48

約数和(自身を含む): 557376960

約数和(自身を除く): 336168492

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 409, 818, 1227, 1636, 2454, 3467, 4908, 5317, 6934, 10401, 10634, 13868, 15951, 20802, 21268, 31902, 41604, 45071, 63804, 90142, 135213, 180284, 270426, 540852, 1418003, 2836006, 4254009, 5672012, 8508018, 17016036, 18434039, 36868078, 55302117, 73736156, 110604234, 221208468]

約数ペア:

[(1, 221208468), (2, 110604234), (3, 73736156), (4, 55302117), (6, 36868078), (12, 18434039), (13, 17016036), (26, 8508018), (39, 5672012), (52, 4254009), (78, 2836006), (156, 1418003), (409, 540852), (818, 270426), (1227, 180284), (1636, 135213), (2454, 90142), (3467, 63804), (4908, 45071), (5317, 41604), (6934, 31902), (10401, 21268), (10634, 20802), (13868, 15951)]