123871945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{21751}}^1$

素因数の和:21840

約数の個数: 16

約数和(自身を含む): 159746688

約数和(自身を除く): 35874743

約数列:

[1, 5, 17, 67, 85, 335, 1139, 5695, 21751, 108755, 369767, 1457317, 1848835, 7286585, 24774389, 123871945]

約数ペア:

[(1, 123871945), (5, 24774389), (17, 7286585), (67, 1848835), (85, 1457317), (335, 369767), (1139, 108755), (5695, 21751)]