397627841

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 477404928

約数和(自身を除く): 79777087

約数列:

[1, 13, 17, 23, 137, 221, 299, 391, 571, 1781, 2329, 3151, 5083, 7423, 9707, 13133, 30277, 40963, 53567, 78227, 126191, 170729, 223261, 696371, 1016951, 1329859, 1799221, 2902393, 17288167, 23389873, 30586757, 397627841]

約数ペア:

[(1, 397627841), (13, 30586757), (17, 23389873), (23, 17288167), (137, 2902393), (221, 1799221), (299, 1329859), (391, 1016951), (571, 696371), (1781, 223261), (2329, 170729), (3151, 126191), (5083, 78227), (7423, 53567), (9707, 40963), (13133, 30277)]