67404025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1321}}^1$

素因数の和:1501

約数の個数: 24

約数和(自身を含む): 90652184

約数和(自身を除く): 23248159

約数列:

[1, 5, 13, 25, 65, 157, 325, 785, 1321, 2041, 3925, 6605, 10205, 17173, 33025, 51025, 85865, 207397, 429325, 1036985, 2696161, 5184925, 13480805, 67404025]

約数ペア:

[(1, 67404025), (5, 13480805), (13, 5184925), (25, 2696161), (65, 1036985), (157, 429325), (325, 207397), (785, 85865), (1321, 51025), (2041, 33025), (3925, 17173), (6605, 10205)]