71823479

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 89860320

約数和(自身を除く): 18036841

約数列:

[1, 7, 13, 91, 109, 169, 557, 763, 1183, 1417, 3899, 7241, 9919, 18421, 50687, 60713, 94133, 128947, 424991, 658931, 789269, 5524883, 10260497, 71823479]

約数ペア:

[(1, 71823479), (7, 10260497), (13, 5524883), (91, 789269), (109, 658931), (169, 424991), (557, 128947), (763, 94133), (1183, 60713), (1417, 50687), (3899, 18421), (7241, 9919)]