87280196

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{11801}}^1$

素因数の和:11891

約数の個数: 18

約数和(自身を含む): 156388302

約数和(自身を除く): 69108106

約数列:

[1, 2, 4, 43, 86, 172, 1849, 3698, 7396, 11801, 23602, 47204, 507443, 1014886, 2029772, 21820049, 43640098, 87280196]

約数ペア:

[(1, 87280196), (2, 43640098), (4, 21820049), (43, 2029772), (86, 1014886), (172, 507443), (1849, 47204), (3698, 23602), (7396, 11801)]