80814748

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{17707}}^1$

素因数の和:17881

約数の個数: 24

約数和(自身を含む): 162630272

約数和(自身を除く): 81815524

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 17707, 35414, 70828, 123949, 247898, 495796, 2886241, 5772482, 11544964, 20203687, 40407374, 80814748]

約数ペア:

[(1, 80814748), (2, 40407374), (4, 20203687), (7, 11544964), (14, 5772482), (28, 2886241), (163, 495796), (326, 247898), (652, 123949), (1141, 70828), (2282, 35414), (4564, 17707)]