390722017

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{27109}}^1$

素因数の和:27216

約数の個数: 16

約数和(自身を含む): 468460800

約数和(自身を除く): 77738783

約数列:

[1, 7, 29, 71, 203, 497, 2059, 14413, 27109, 189763, 786161, 1924739, 5503127, 13473173, 55817431, 390722017]

約数ペア:

[(1, 390722017), (7, 55817431), (29, 13473173), (71, 5503127), (203, 1924739), (497, 786161), (2059, 189763), (14413, 27109)]