1390142

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:563

約数の個数: 16

約数和(自身を含む): 2268672

約数和(自身を除く): 878530

約数列:

[1, 2, 13, 26, 127, 254, 421, 842, 1651, 3302, 5473, 10946, 53467, 106934, 695071, 1390142]

約数ペア:

[(1, 1390142), (2, 695071), (13, 106934), (26, 53467), (127, 10946), (254, 5473), (421, 3302), (842, 1651)]