289771820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1114507}}^1$

素因数の和:1114529

約数の個数: 24

約数和(自身を含む): 655330704

約数和(自身を除く): 365558884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1114507, 2229014, 4458028, 5572535, 11145070, 14488591, 22290140, 28977182, 57954364, 72442955, 144885910, 289771820]

約数ペア:

[(1, 289771820), (2, 144885910), (4, 72442955), (5, 57954364), (10, 28977182), (13, 22290140), (20, 14488591), (26, 11145070), (52, 5572535), (65, 4458028), (130, 2229014), (260, 1114507)]