321497917

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{12637}}^1$

素因数の和:12772

約数の個数: 16

約数和(自身を含む): 368018560

約数和(自身を除く): 46520643

約数列:

[1, 13, 19, 103, 247, 1339, 1957, 12637, 25441, 164281, 240103, 1301611, 3121339, 16920943, 24730609, 321497917]

約数ペア:

[(1, 321497917), (13, 24730609), (19, 16920943), (103, 3121339), (247, 1301611), (1339, 240103), (1957, 164281), (12637, 25441)]