1389253942

素因数分解:

$2^1\times {\mathrm{239}}^1\times {\mathrm{1031}}^1\times {\mathrm{2819}}^1$

素因数の和:4091

約数の個数: 16

約数和(自身を含む): 2095372800

約数和(自身を除く): 706118858

約数列:

[1, 2, 239, 478, 1031, 2062, 2819, 5638, 246409, 492818, 673741, 1347482, 2906389, 5812778, 694626971, 1389253942]

約数ペア:

[(1, 1389253942), (2, 694626971), (239, 5812778), (478, 2906389), (1031, 1347482), (2062, 673741), (2819, 492818), (5638, 246409)]