28751950

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^2\times {\mathrm{311}}^1$

素因数の和:409

約数の個数: 36

約数和(自身を含む): 54927288

約数和(自身を除く): 26175338

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 311, 430, 622, 1075, 1555, 1849, 2150, 3110, 3698, 7775, 9245, 13373, 15550, 18490, 26746, 46225, 66865, 92450, 133730, 334325, 575039, 668650, 1150078, 2875195, 5750390, 14375975, 28751950]

約数ペア:

[(1, 28751950), (2, 14375975), (5, 5750390), (10, 2875195), (25, 1150078), (43, 668650), (50, 575039), (86, 334325), (215, 133730), (311, 92450), (430, 66865), (622, 46225), (1075, 26746), (1555, 18490), (1849, 15550), (2150, 13373), (3110, 9245), (3698, 7775)]