2041975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 2798432

約数和(自身を除く): 756457

約数列:

[1, 5, 13, 25, 61, 65, 103, 305, 325, 515, 793, 1339, 1525, 2575, 3965, 6283, 6695, 19825, 31415, 33475, 81679, 157075, 408395, 2041975]

約数ペア:

[(1, 2041975), (5, 408395), (13, 157075), (25, 81679), (61, 33475), (65, 31415), (103, 19825), (305, 6695), (325, 6283), (515, 3965), (793, 2575), (1339, 1525)]