15999178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 27518400

約数和(自身を除く): 11519222

約数列:

[1, 2, 13, 19, 26, 38, 139, 233, 247, 278, 466, 494, 1807, 2641, 3029, 3614, 4427, 5282, 6058, 8854, 32387, 34333, 57551, 64774, 68666, 115102, 421031, 615353, 842062, 1230706, 7999589, 15999178]

約数ペア:

[(1, 15999178), (2, 7999589), (13, 1230706), (19, 842062), (26, 615353), (38, 421031), (139, 115102), (233, 68666), (247, 64774), (278, 57551), (466, 34333), (494, 32387), (1807, 8854), (2641, 6058), (3029, 5282), (3614, 4427)]