72788885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{6473}}^1$

素因数の和:6664

約数の個数: 16

約数和(自身を含む): 94623984

約数和(自身を除く): 21835099

約数列:

[1, 5, 13, 65, 173, 865, 2249, 6473, 11245, 32365, 84149, 420745, 1119829, 5599145, 14557777, 72788885]

約数ペア:

[(1, 72788885), (5, 14557777), (13, 5599145), (65, 1119829), (173, 420745), (865, 84149), (2249, 32365), (6473, 11245)]