156978595

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1481}}^1$

素因数の和:1575

約数の個数: 32

約数和(自身を含む): 211273920

約数和(自身を除く): 54295325

約数列:

[1, 5, 17, 29, 43, 85, 145, 215, 493, 731, 1247, 1481, 2465, 3655, 6235, 7405, 21199, 25177, 42949, 63683, 105995, 125885, 214745, 318415, 730133, 1082611, 1846807, 3650665, 5413055, 9234035, 31395719, 156978595]

約数ペア:

[(1, 156978595), (5, 31395719), (17, 9234035), (29, 5413055), (43, 3650665), (85, 1846807), (145, 1082611), (215, 730133), (493, 318415), (731, 214745), (1247, 125885), (1481, 105995), (2465, 63683), (3655, 42949), (6235, 25177), (7405, 21199)]