643764088

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{31397}}^1$

素因数の和:31647

約数の個数: 32

約数和(自身を含む): 1322483760

約数和(自身を除く): 678719672

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 233, 466, 932, 1864, 2563, 5126, 10252, 20504, 31397, 62794, 125588, 251176, 345367, 690734, 1381468, 2762936, 7315501, 14631002, 29262004, 58524008, 80470511, 160941022, 321882044, 643764088]

約数ペア:

[(1, 643764088), (2, 321882044), (4, 160941022), (8, 80470511), (11, 58524008), (22, 29262004), (44, 14631002), (88, 7315501), (233, 2762936), (466, 1381468), (932, 690734), (1864, 345367), (2563, 251176), (5126, 125588), (10252, 62794), (20504, 31397)]