520020613

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1\times {\mathrm{2543}}^1$

素因数の和:2904

約数の個数: 16

約数和(自身を含む): 601767936

約数和(自身を除く): 81747323

約数列:

[1, 7, 131, 223, 917, 1561, 2543, 17801, 29213, 204491, 333133, 567089, 2331931, 3969623, 74288659, 520020613]

約数ペア:

[(1, 520020613), (7, 74288659), (131, 3969623), (223, 2331931), (917, 567089), (1561, 333133), (2543, 204491), (17801, 29213)]