2155993895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1704343}}^1$

素因数の和:1704382

約数の個数: 16

約数和(自身を含む): 2945106432

約数和(自身を除く): 789112537

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 1704343, 8521715, 18747773, 39199889, 93738865, 195999445, 431198779, 2155993895]

約数ペア:

[(1, 2155993895), (5, 431198779), (11, 195999445), (23, 93738865), (55, 39199889), (115, 18747773), (253, 8521715), (1265, 1704343)]