388640638

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{187387}}^1$

素因数の和:187467

約数の個数: 16

約数和(自身を含む): 627375024

約数和(自身を除く): 238734386

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 187387, 374774, 3185579, 6371158, 11430607, 22861214, 194320319, 388640638]

約数ペア:

[(1, 388640638), (2, 194320319), (17, 22861214), (34, 11430607), (61, 6371158), (122, 3185579), (1037, 374774), (2074, 187387)]