1389245810

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1758539}}^1$

素因数の和:1758625

約数の個数: 16

約数和(自身を含む): 2532297600

約数和(自身を除く): 1143051790

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 1758539, 3517078, 8792695, 17585390, 138924581, 277849162, 694622905, 1389245810]

約数ペア:

[(1, 1389245810), (2, 694622905), (5, 277849162), (10, 138924581), (79, 17585390), (158, 8792695), (395, 3517078), (790, 1758539)]