661677887

素因数分解:

${\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{2903}}^1$

素因数の和:3202

約数の個数: 16

約数和(自身を含む): 724489920

約数和(自身を除く): 62812033

約数列:

[1, 13, 89, 197, 1157, 2561, 2903, 17533, 37739, 227929, 258367, 571891, 3358771, 7434583, 50898299, 661677887]

約数ペア:

[(1, 661677887), (13, 50898299), (89, 7434583), (197, 3358771), (1157, 571891), (2561, 258367), (2903, 227929), (17533, 37739)]