131780816

素因数分解:

$2^4\times {\mathrm{1621}}^1\times {\mathrm{5081}}^1$

素因数の和:6710

約数の個数: 20

約数和(自身を含む): 255533124

約数和(自身を除く): 123752308

約数列:

[1, 2, 4, 8, 16, 1621, 3242, 5081, 6484, 10162, 12968, 20324, 25936, 40648, 81296, 8236301, 16472602, 32945204, 65890408, 131780816]

約数ペア:

[(1, 131780816), (2, 65890408), (4, 32945204), (8, 16472602), (16, 8236301), (1621, 81296), (3242, 40648), (5081, 25936), (6484, 20324), (10162, 12968)]