642430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3779}}^1$

素因数の和:3803

約数の個数: 16

約数和(自身を含む): 1224720

約数和(自身を除く): 582290

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 3779, 7558, 18895, 37790, 64243, 128486, 321215, 642430]

約数ペア:

[(1, 642430), (2, 321215), (5, 128486), (10, 64243), (17, 37790), (34, 18895), (85, 7558), (170, 3779)]