397145456

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{44563}}^1$

素因数の和:45128

約数の個数: 20

約数和(自身を含む): 770868072

約数和(自身を除く): 373722616

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 4456, 8912, 44563, 89126, 178252, 356504, 713008, 24821591, 49643182, 99286364, 198572728, 397145456]

約数ペア:

[(1, 397145456), (2, 198572728), (4, 99286364), (8, 49643182), (16, 24821591), (557, 713008), (1114, 356504), (2228, 178252), (4456, 89126), (8912, 44563)]