128307641

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1171}}^1\times {\mathrm{1423}}^1$

素因数の和:2612

約数の個数: 16

約数和(自身を含む): 160217088

約数和(自身を除く): 31909447

約数列:

[1, 7, 11, 77, 1171, 1423, 8197, 9961, 12881, 15653, 90167, 109571, 1666333, 11664331, 18329663, 128307641]

約数ペア:

[(1, 128307641), (7, 18329663), (11, 11664331), (77, 1666333), (1171, 109571), (1423, 90167), (8197, 15653), (9961, 12881)]