128878870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{758111}}^1$

素因数の和:758135

約数の個数: 16

約数和(自身を含む): 245628288

約数和(自身を除く): 116749418

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 758111, 1516222, 3790555, 7581110, 12887887, 25775774, 64439435, 128878870]

約数ペア:

[(1, 128878870), (2, 64439435), (5, 25775774), (10, 12887887), (17, 7581110), (34, 3790555), (85, 1516222), (170, 758111)]