156640916

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{2113}}^1$

素因数の和:2591

約数の個数: 24

約数和(自身を含む): 281280384

約数和(自身を除く): 124639468

約数列:

[1, 2, 4, 43, 86, 172, 431, 862, 1724, 2113, 4226, 8452, 18533, 37066, 74132, 90859, 181718, 363436, 910703, 1821406, 3642812, 39160229, 78320458, 156640916]

約数ペア:

[(1, 156640916), (2, 78320458), (4, 39160229), (43, 3642812), (86, 1821406), (172, 910703), (431, 363436), (862, 181718), (1724, 90859), (2113, 74132), (4226, 37066), (8452, 18533)]