1640644993

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{322771}}^1$

素因数の和:322824

約数の個数: 16

約数和(自身を含む): 1952125056

約数和(自身を除く): 311480063

約数列:

[1, 13, 17, 23, 221, 299, 391, 5083, 322771, 4196023, 5487107, 7423733, 71332391, 96508529, 126203461, 1640644993]

約数ペア:

[(1, 1640644993), (13, 126203461), (17, 96508529), (23, 71332391), (221, 7423733), (299, 5487107), (391, 4196023), (5083, 322771)]