51987806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1217}}^1$

素因数の和:1316

約数の個数: 32

約数和(自身を含む): 88397568

約数和(自身を除く): 36409762

約数列:

[1, 2, 13, 26, 31, 53, 62, 106, 403, 689, 806, 1217, 1378, 1643, 2434, 3286, 15821, 21359, 31642, 37727, 42718, 64501, 75454, 129002, 490451, 838513, 980902, 1677026, 1999531, 3999062, 25993903, 51987806]

約数ペア:

[(1, 51987806), (2, 25993903), (13, 3999062), (26, 1999531), (31, 1677026), (53, 980902), (62, 838513), (106, 490451), (403, 129002), (689, 75454), (806, 64501), (1217, 42718), (1378, 37727), (1643, 31642), (2434, 21359), (3286, 15821)]