256859486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{12553}}^1$

素因数の和:13355

約数の個数: 16

約数和(自身を含む): 415487184

約数和(自身を除く): 158627698

約数列:

[1, 2, 13, 26, 787, 1574, 10231, 12553, 20462, 25106, 163189, 326378, 9879211, 19758422, 128429743, 256859486]

約数ペア:

[(1, 256859486), (2, 128429743), (13, 19758422), (26, 9879211), (787, 326378), (1574, 163189), (10231, 25106), (12553, 20462)]