156728845

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{859}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 232323840

約数和(自身を除く): 75594995

約数列:

[1, 5, 7, 13, 35, 65, 91, 401, 455, 859, 2005, 2807, 4295, 5213, 6013, 11167, 14035, 26065, 30065, 36491, 55835, 78169, 182455, 344459, 390845, 1722295, 2411213, 4477967, 12056065, 22389835, 31345769, 156728845]

約数ペア:

[(1, 156728845), (5, 31345769), (7, 22389835), (13, 12056065), (35, 4477967), (65, 2411213), (91, 1722295), (401, 390845), (455, 344459), (859, 182455), (2005, 78169), (2807, 55835), (4295, 36491), (5213, 30065), (6013, 26065), (11167, 14035)]