31557136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{151717}}^1$

素因数の和:151738

約数の個数: 20

約数和(自身を含む): 65845612

約数和(自身を除く): 34288476

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 151717, 303434, 606868, 1213736, 1972321, 2427472, 3944642, 7889284, 15778568, 31557136]

約数ペア:

[(1, 31557136), (2, 15778568), (4, 7889284), (8, 3944642), (13, 2427472), (16, 1972321), (26, 1213736), (52, 606868), (104, 303434), (208, 151717)]