2665624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 5760720

約数和(自身を除く): 3095096

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 71, 76, 104, 142, 152, 247, 284, 361, 494, 568, 722, 923, 988, 1349, 1444, 1846, 1976, 2698, 2888, 3692, 4693, 5396, 7384, 9386, 10792, 17537, 18772, 25631, 35074, 37544, 51262, 70148, 102524, 140296, 205048, 333203, 666406, 1332812, 2665624]

約数ペア:

[(1, 2665624), (2, 1332812), (4, 666406), (8, 333203), (13, 205048), (19, 140296), (26, 102524), (38, 70148), (52, 51262), (71, 37544), (76, 35074), (104, 25631), (142, 18772), (152, 17537), (247, 10792), (284, 9386), (361, 7384), (494, 5396), (568, 4693), (722, 3692), (923, 2888), (988, 2698), (1349, 1976), (1444, 1846)]