1391717392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{6690949}}^1$

素因数の和:6690970

約数の個数: 20

約数和(自身を含む): 2903872300

約数和(自身を除く): 1512154908

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 6690949, 13381898, 26763796, 53527592, 86982337, 107055184, 173964674, 347929348, 695858696, 1391717392]

約数ペア:

[(1, 1391717392), (2, 695858696), (4, 347929348), (8, 173964674), (13, 107055184), (16, 86982337), (26, 53527592), (52, 26763796), (104, 13381898), (208, 6690949)]