168721813

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 197955072

約数和(自身を除く): 29233259

約数列:

[1, 13, 23, 37, 101, 151, 299, 481, 851, 1313, 1963, 2323, 3473, 3737, 5587, 11063, 15251, 30199, 45149, 48581, 72631, 85951, 128501, 198263, 350773, 564287, 1117363, 1670513, 4560049, 7335731, 12978601, 168721813]

約数ペア:

[(1, 168721813), (13, 12978601), (23, 7335731), (37, 4560049), (101, 1670513), (151, 1117363), (299, 564287), (481, 350773), (851, 198263), (1313, 128501), (1963, 85951), (2323, 72631), (3473, 48581), (3737, 45149), (5587, 30199), (11063, 15251)]