518744018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 926069760

約数和(自身を除く): 407325742

約数列:

[1, 2, 13, 17, 26, 31, 34, 62, 131, 221, 262, 289, 403, 442, 527, 578, 806, 1054, 1703, 2227, 3406, 3757, 4061, 4454, 4913, 6851, 7514, 8122, 8959, 9826, 13702, 17918, 28951, 37859, 52793, 57902, 63869, 69037, 75718, 105586, 116467, 127738, 138074, 152303, 232934, 304606, 492167, 643603, 897481, 984334, 1173629, 1287206, 1794962, 1979939, 2347258, 3959878, 8366839, 15257177, 16733678, 19951693, 30514354, 39903386, 259372009, 518744018]

約数ペア:

[(1, 518744018), (2, 259372009), (13, 39903386), (17, 30514354), (26, 19951693), (31, 16733678), (34, 15257177), (62, 8366839), (131, 3959878), (221, 2347258), (262, 1979939), (289, 1794962), (403, 1287206), (442, 1173629), (527, 984334), (578, 897481), (806, 643603), (1054, 492167), (1703, 304606), (2227, 232934), (3406, 152303), (3757, 138074), (4061, 127738), (4454, 116467), (4913, 105586), (6851, 75718), (7514, 69037), (8122, 63869), (8959, 57902), (9826, 52793), (13702, 37859), (17918, 28951)]