491400000026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{14449}}^1\times {\mathrm{1308049}}^1$

素因数の和:1322513

約数の個数: 16

約数和(自身を含む): 793855545000

約数和(自身を除く): 302455544974

約数列:

[1, 2, 13, 26, 14449, 28898, 187837, 375674, 1308049, 2616098, 17004637, 34009274, 18900000001, 37800000002, 245700000013, 491400000026]

約数ペア:

[(1, 491400000026), (2, 245700000013), (13, 37800000002), (26, 18900000001), (14449, 34009274), (28898, 17004637), (187837, 2616098), (375674, 1308049)]