17970425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 24587712

約数和(自身を除く): 6617287

約数列:

[1, 5, 11, 25, 55, 101, 275, 505, 647, 1111, 2525, 3235, 5555, 7117, 16175, 27775, 35585, 65347, 177925, 326735, 718817, 1633675, 3594085, 17970425]

約数ペア:

[(1, 17970425), (5, 3594085), (11, 1633675), (25, 718817), (55, 326735), (101, 177925), (275, 65347), (505, 35585), (647, 27775), (1111, 16175), (2525, 7117), (3235, 5555)]