128222770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{4423}}^1$

素因数の和:4666

約数の個数: 32

約数和(自身を含む): 249725952

約数和(自身を除く): 121503182

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 223, 446, 1115, 2230, 2899, 4423, 5798, 8846, 14495, 22115, 28990, 44230, 57499, 114998, 287495, 574990, 986329, 1972658, 4931645, 9863290, 12822277, 25644554, 64111385, 128222770]

約数ペア:

[(1, 128222770), (2, 64111385), (5, 25644554), (10, 12822277), (13, 9863290), (26, 4931645), (65, 1972658), (130, 986329), (223, 574990), (446, 287495), (1115, 114998), (2230, 57499), (2899, 44230), (4423, 28990), (5798, 22115), (8846, 14495)]