87170215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{967}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 115869600

約数和(自身を除く): 28699385

約数列:

[1, 5, 11, 55, 121, 149, 605, 745, 967, 1639, 4835, 8195, 10637, 18029, 53185, 90145, 117007, 144083, 585035, 720415, 1584913, 7924565, 17434043, 87170215]

約数ペア:

[(1, 87170215), (5, 17434043), (11, 7924565), (55, 1584913), (121, 720415), (149, 585035), (605, 144083), (745, 117007), (967, 90145), (1639, 53185), (4835, 18029), (8195, 10637)]