12617995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 18204480

約数和(自身を除く): 5586485

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 601, 1105, 1235, 1615, 3005, 4199, 7813, 10217, 11419, 20995, 39065, 51085, 57095, 132821, 148447, 194123, 664105, 742235, 970615, 2523599, 12617995]

約数ペア:

[(1, 12617995), (5, 2523599), (13, 970615), (17, 742235), (19, 664105), (65, 194123), (85, 148447), (95, 132821), (221, 57095), (247, 51085), (323, 39065), (601, 20995), (1105, 11419), (1235, 10217), (1615, 7813), (3005, 4199)]