1389788238

素因数分解:

$2^1\times 3^1\times {\mathrm{1607}}^1\times {\mathrm{144139}}^1$

素因数の和:145751

約数の個数: 16

約数和(自身を含む): 2781325440

約数和(自身を除く): 1391537202

約数列:

[1, 2, 3, 6, 1607, 3214, 4821, 9642, 144139, 288278, 432417, 864834, 231631373, 463262746, 694894119, 1389788238]

約数ペア:

[(1, 1389788238), (2, 694894119), (3, 463262746), (6, 231631373), (1607, 864834), (3214, 432417), (4821, 288278), (9642, 144139)]