991510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 1995840

約数和(自身を除く): 1004330

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 263, 290, 377, 526, 754, 1315, 1885, 2630, 3419, 3770, 6838, 7627, 15254, 17095, 34190, 38135, 76270, 99151, 198302, 495755, 991510]

約数ペア:

[(1, 991510), (2, 495755), (5, 198302), (10, 99151), (13, 76270), (26, 38135), (29, 34190), (58, 17095), (65, 15254), (130, 7627), (145, 6838), (263, 3770), (290, 3419), (377, 2630), (526, 1885), (754, 1315)]