90428885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{2447}}^1$

素因数の和:2860

約数の個数: 16

約数和(自身を含む): 114566400

約数和(自身を除く): 24137515

約数列:

[1, 5, 19, 95, 389, 1945, 2447, 7391, 12235, 36955, 46493, 232465, 951883, 4759415, 18085777, 90428885]

約数ペア:

[(1, 90428885), (5, 18085777), (19, 4759415), (95, 951883), (389, 232465), (1945, 46493), (2447, 36955), (7391, 12235)]