20163131521

素因数分解:

${\mathrm{13}}^1\times {\mathrm{4903}}^1\times {\mathrm{316339}}^1$

素因数の和:321255

約数の個数: 8

約数和(自身を含む): 21718639040

約数和(自身を除く): 1555507519

約数列:

[1, 13, 4903, 63739, 316339, 4112407, 1551010117, 20163131521]

約数ペア:

[(1, 20163131521), (13, 1551010117), (4903, 4112407), (63739, 316339)]