201030505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{99767}}^1$

素因数の和:99816

約数の個数: 16

約数和(自身を含む): 268176384

約数和(自身を除く): 67145879

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 99767, 498835, 1296971, 3092777, 6484855, 15463885, 40206101, 201030505]

約数ペア:

[(1, 201030505), (5, 40206101), (13, 15463885), (31, 6484855), (65, 3092777), (155, 1296971), (403, 498835), (2015, 99767)]