81886790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{3677}}^1$

素因数の和:3832

約数の個数: 32

約数和(自身を含む): 157300704

約数和(自身を除く): 75413914

約数列:

[1, 2, 5, 10, 17, 34, 85, 131, 170, 262, 655, 1310, 2227, 3677, 4454, 7354, 11135, 18385, 22270, 36770, 62509, 125018, 312545, 481687, 625090, 963374, 2408435, 4816870, 8188679, 16377358, 40943395, 81886790]

約数ペア:

[(1, 81886790), (2, 40943395), (5, 16377358), (10, 8188679), (17, 4816870), (34, 2408435), (85, 963374), (131, 625090), (170, 481687), (262, 312545), (655, 125018), (1310, 62509), (2227, 36770), (3677, 22270), (4454, 18385), (7354, 11135)]