521198909

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{16631}}^1$

素因数の和:16697

約数の個数: 24

約数和(自身を含む): 672465024

約数和(自身を除く): 151266115

約数列:

[1, 7, 11, 37, 77, 121, 259, 407, 847, 2849, 4477, 16631, 31339, 116417, 182941, 615347, 1280587, 2012351, 4307429, 6768817, 14086457, 47381719, 74456987, 521198909]

約数ペア:

[(1, 521198909), (7, 74456987), (11, 47381719), (37, 14086457), (77, 6768817), (121, 4307429), (259, 2012351), (407, 1280587), (847, 615347), (2849, 182941), (4477, 116417), (16631, 31339)]