990782015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{2657}}^1$

素因数の和:2827

約数の個数: 32

約数和(自身を含む): 1302122304

約数和(自身を除く): 311340289

約数列:

[1, 5, 17, 41, 85, 107, 205, 535, 697, 1819, 2657, 3485, 4387, 9095, 13285, 21935, 45169, 74579, 108937, 225845, 284299, 372895, 544685, 1421495, 1851929, 4833083, 9259645, 11656259, 24165415, 58281295, 198156403, 990782015]

約数ペア:

[(1, 990782015), (5, 198156403), (17, 58281295), (41, 24165415), (85, 11656259), (107, 9259645), (205, 4833083), (535, 1851929), (697, 1421495), (1819, 544685), (2657, 372895), (3485, 284299), (4387, 225845), (9095, 108937), (13285, 74579), (21935, 45169)]