1997435

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1579}}^1$

素因数の和:1618

約数の個数: 16

約数和(自身を含む): 2730240

約数和(自身を除く): 732805

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 1579, 7895, 17369, 36317, 86845, 181585, 399487, 1997435]

約数ペア:

[(1, 1997435), (5, 399487), (11, 181585), (23, 86845), (55, 36317), (115, 17369), (253, 7895), (1265, 1579)]