1253553008

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{140659}}^1$

素因数の和:141224

約数の個数: 20

約数和(自身を含む): 2433136680

約数和(自身を除く): 1179583672

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 4456, 8912, 140659, 281318, 562636, 1125272, 2250544, 78347063, 156694126, 313388252, 626776504, 1253553008]

約数ペア:

[(1, 1253553008), (2, 626776504), (4, 313388252), (8, 156694126), (16, 78347063), (557, 2250544), (1114, 1125272), (2228, 562636), (4456, 281318), (8912, 140659)]