28749565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23279}}^1$

素因数の和:23316

約数の個数: 16

約数和(自身を含む): 39110400

約数和(自身を除く): 10360835

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 23279, 116395, 302627, 442301, 1513135, 2211505, 5749913, 28749565]

約数ペア:

[(1, 28749565), (5, 5749913), (13, 2211505), (19, 1513135), (65, 442301), (95, 302627), (247, 116395), (1235, 23279)]