2789410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 5544000

約数和(自身を除く): 2754590

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 499, 559, 998, 1118, 2495, 2795, 4990, 5590, 6487, 12974, 21457, 32435, 42914, 64870, 107285, 214570, 278941, 557882, 1394705, 2789410]

約数ペア:

[(1, 2789410), (2, 1394705), (5, 557882), (10, 278941), (13, 214570), (26, 107285), (43, 64870), (65, 42914), (86, 32435), (130, 21457), (215, 12974), (430, 6487), (499, 5590), (559, 4990), (998, 2795), (1118, 2495)]