4089488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19661}}^1$

素因数の和:19682

約数の個数: 20

約数和(自身を含む): 8533308

約数和(自身を除く): 4443820

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 19661, 39322, 78644, 157288, 255593, 314576, 511186, 1022372, 2044744, 4089488]

約数ペア:

[(1, 4089488), (2, 2044744), (4, 1022372), (8, 511186), (13, 314576), (16, 255593), (26, 157288), (52, 78644), (104, 39322), (208, 19661)]