7742405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 11059200

約数和(自身を除く): 3316795

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 209, 239, 341, 589, 1045, 1195, 1705, 2629, 2945, 4541, 6479, 7409, 13145, 22705, 32395, 37045, 49951, 81499, 140771, 249755, 407495, 703855, 1548481, 7742405]

約数ペア:

[(1, 7742405), (5, 1548481), (11, 703855), (19, 407495), (31, 249755), (55, 140771), (95, 81499), (155, 49951), (209, 37045), (239, 32395), (341, 22705), (589, 13145), (1045, 7409), (1195, 6479), (1705, 4541), (2629, 2945)]