290419315

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{18191}}^1$

素因数の和:18330

約数の個数: 16

約数和(自身を含む): 363257856

約数和(自身を除く): 72838541

約数列:

[1, 5, 31, 103, 155, 515, 3193, 15965, 18191, 90955, 563921, 1873673, 2819605, 9368365, 58083863, 290419315]

約数ペア:

[(1, 290419315), (5, 58083863), (31, 9368365), (103, 2819605), (155, 1873673), (515, 563921), (3193, 90955), (15965, 18191)]