61121770

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2777}}^1$

素因数の和:2886

約数の個数: 32

約数和(自身を含む): 115209216

約数和(自身を除く): 54087446

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 2201, 2777, 4402, 5554, 11005, 13885, 22010, 27770, 86087, 172174, 197167, 394334, 430435, 860870, 985835, 1971670, 6112177, 12224354, 30560885, 61121770]

約数ペア:

[(1, 61121770), (2, 30560885), (5, 12224354), (10, 6112177), (31, 1971670), (62, 985835), (71, 860870), (142, 430435), (155, 394334), (310, 197167), (355, 172174), (710, 86087), (2201, 27770), (2777, 22010), (4402, 13885), (5554, 11005)]