249278315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{787}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 352670976

約数和(自身を除く): 103392661

約数列:

[1, 5, 11, 13, 55, 65, 143, 443, 715, 787, 2215, 3935, 4873, 5759, 8657, 10231, 24365, 28795, 43285, 51155, 63349, 112541, 316745, 348641, 562705, 1743205, 3835051, 4532333, 19175255, 22661665, 49855663, 249278315]

約数ペア:

[(1, 249278315), (5, 49855663), (11, 22661665), (13, 19175255), (55, 4532333), (65, 3835051), (143, 1743205), (443, 562705), (715, 348641), (787, 316745), (2215, 112541), (3935, 63349), (4873, 51155), (5759, 43285), (8657, 28795), (10231, 24365)]