51720916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{23131}}^1$

素因数の和:23191

約数の個数: 24

約数和(自身を含む): 99745184

約数和(自身を除く): 48024268

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 23131, 46262, 92524, 300703, 601406, 994633, 1202812, 1989266, 3978532, 12930229, 25860458, 51720916]

約数ペア:

[(1, 51720916), (2, 25860458), (4, 12930229), (13, 3978532), (26, 1989266), (43, 1202812), (52, 994633), (86, 601406), (172, 300703), (559, 92524), (1118, 46262), (2236, 23131)]