156928499

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{1217}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 196146720

約数和(自身を除く): 39218221

約数列:

[1, 7, 13, 91, 109, 169, 763, 1183, 1217, 1417, 8519, 9919, 15821, 18421, 110747, 128947, 132653, 205673, 928571, 1439711, 1724489, 12071423, 22418357, 156928499]

約数ペア:

[(1, 156928499), (7, 22418357), (13, 12071423), (91, 1724489), (109, 1439711), (169, 928571), (763, 205673), (1183, 132653), (1217, 128947), (1417, 110747), (8519, 18421), (9919, 15821)]