638526

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 1525248

約数和(自身を除く): 886722

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 661, 966, 1322, 1983, 3966, 4627, 9254, 13881, 15203, 27762, 30406, 45609, 91218, 106421, 212842, 319263, 638526]

約数ペア:

[(1, 638526), (2, 319263), (3, 212842), (6, 106421), (7, 91218), (14, 45609), (21, 30406), (23, 27762), (42, 15203), (46, 13881), (69, 9254), (138, 4627), (161, 3966), (322, 1983), (483, 1322), (661, 966)]