87721487

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{2243}}^1$

素因数の和:2438

約数の個数: 16

約数和(自身を含む): 103690752

約数和(自身を除く): 15969265

約数列:

[1, 7, 37, 151, 259, 1057, 2243, 5587, 15701, 39109, 82991, 338693, 580937, 2370851, 12531641, 87721487]

約数ペア:

[(1, 87721487), (7, 12531641), (37, 2370851), (151, 580937), (259, 338693), (1057, 82991), (2243, 39109), (5587, 15701)]