131590225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3931}}^1$

素因数の和:4057

約数の個数: 24

約数和(自身を含む): 177474752

約数和(自身を除く): 45884527

約数列:

[1, 5, 13, 25, 65, 103, 325, 515, 1339, 2575, 3931, 6695, 19655, 33475, 51103, 98275, 255515, 404893, 1277575, 2024465, 5263609, 10122325, 26318045, 131590225]

約数ペア:

[(1, 131590225), (5, 26318045), (13, 10122325), (25, 5263609), (65, 2024465), (103, 1277575), (325, 404893), (515, 255515), (1339, 98275), (2575, 51103), (3931, 33475), (6695, 19655)]