156985025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 199088448

約数和(自身を除く): 42103423

約数列:

[1, 5, 25, 61, 305, 311, 331, 1525, 1555, 1655, 7775, 8275, 18971, 20191, 94855, 100955, 102941, 474275, 504775, 514705, 2573525, 6279401, 31397005, 156985025]

約数ペア:

[(1, 156985025), (5, 31397005), (25, 6279401), (61, 2573525), (305, 514705), (311, 504775), (331, 474275), (1525, 102941), (1555, 100955), (1655, 94855), (7775, 20191), (8275, 18971)]