15212678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 25643520

約数和(自身を除く): 10430842

約数列:

[1, 2, 13, 26, 47, 59, 94, 118, 211, 422, 611, 767, 1222, 1534, 2743, 2773, 5486, 5546, 9917, 12449, 19834, 24898, 36049, 72098, 128921, 161837, 257842, 323674, 585103, 1170206, 7606339, 15212678]

約数ペア:

[(1, 15212678), (2, 7606339), (13, 1170206), (26, 585103), (47, 323674), (59, 257842), (94, 161837), (118, 128921), (211, 72098), (422, 36049), (611, 24898), (767, 19834), (1222, 12449), (1534, 9917), (2743, 5546), (2773, 5486)]