253136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1217}}^1$

素因数の和:1238

約数の個数: 20

約数和(自身を含む): 528612

約数和(自身を除く): 275476

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1217, 2434, 4868, 9736, 15821, 19472, 31642, 63284, 126568, 253136]

約数ペア:

[(1, 253136), (2, 126568), (4, 63284), (8, 31642), (13, 19472), (16, 15821), (26, 9736), (52, 4868), (104, 2434), (208, 1217)]