128731625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 176432256

約数和(自身を除く): 47700631

約数列:

[1, 5, 11, 25, 55, 125, 251, 275, 373, 1255, 1375, 1865, 2761, 4103, 6275, 9325, 13805, 20515, 31375, 46625, 69025, 93623, 102575, 345125, 468115, 512875, 1029853, 2340575, 5149265, 11702875, 25746325, 128731625]

約数ペア:

[(1, 128731625), (5, 25746325), (11, 11702875), (25, 5149265), (55, 2340575), (125, 1029853), (251, 512875), (275, 468115), (373, 345125), (1255, 102575), (1375, 93623), (1865, 69025), (2761, 46625), (4103, 31375), (6275, 20515), (9325, 13805)]