745517116

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{644911}}^1$

素因数の和:644949

約数の個数: 18

約数和(自身を含む): 1385915888

約数和(自身を除く): 640398772

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 644911, 1289822, 2579644, 10963487, 21926974, 43853948, 186379279, 372758558, 745517116]

約数ペア:

[(1, 745517116), (2, 372758558), (4, 186379279), (17, 43853948), (34, 21926974), (68, 10963487), (289, 2579644), (578, 1289822), (1156, 644911)]