13898075

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 18094080

約数和(自身を除く): 4196005

約数列:

[1, 5, 25, 31, 79, 155, 227, 395, 775, 1135, 1975, 2449, 5675, 7037, 12245, 17933, 35185, 61225, 89665, 175925, 448325, 555923, 2779615, 13898075]

約数ペア:

[(1, 13898075), (5, 2779615), (25, 555923), (31, 448325), (79, 175925), (155, 89665), (227, 61225), (395, 35185), (775, 17933), (1135, 12245), (1975, 7037), (2449, 5675)]