163539490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{2473}}^1$

素因数の和:2886

約数の個数: 32

約数和(自身を含む): 312614640

約数和(自身を除く): 149075150

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 389, 778, 1945, 2473, 3890, 4946, 6613, 12365, 13226, 24730, 33065, 42041, 66130, 84082, 210205, 420410, 961997, 1923994, 4809985, 9619970, 16353949, 32707898, 81769745, 163539490]

約数ペア:

[(1, 163539490), (2, 81769745), (5, 32707898), (10, 16353949), (17, 9619970), (34, 4809985), (85, 1923994), (170, 961997), (389, 420410), (778, 210205), (1945, 84082), (2473, 66130), (3890, 42041), (4946, 33065), (6613, 24730), (12365, 13226)]