13921790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44909}}^1$

素因数の和:44947

約数の個数: 16

約数和(自身を含む): 25868160

約数和(自身を除く): 11946370

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 44909, 89818, 224545, 449090, 1392179, 2784358, 6960895, 13921790]

約数ペア:

[(1, 13921790), (2, 6960895), (5, 2784358), (10, 1392179), (31, 449090), (62, 224545), (155, 89818), (310, 44909)]