25997168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{85517}}^1$

素因数の和:85544

約数の個数: 20

約数和(自身を含む): 53021160

約数和(自身を除く): 27023992

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 85517, 171034, 342068, 684136, 1368272, 1624823, 3249646, 6499292, 12998584, 25997168]

約数ペア:

[(1, 25997168), (2, 12998584), (4, 6499292), (8, 3249646), (16, 1624823), (19, 1368272), (38, 684136), (76, 342068), (152, 171034), (304, 85517)]