90857845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 121814784

約数和(自身を除く): 30956939

約数列:

[1, 5, 13, 41, 65, 103, 205, 331, 515, 533, 1339, 1655, 2665, 4223, 4303, 6695, 13571, 21115, 21515, 34093, 54899, 67855, 170465, 176423, 274495, 443209, 882115, 1397813, 2216045, 6989065, 18171569, 90857845]

約数ペア:

[(1, 90857845), (5, 18171569), (13, 6989065), (41, 2216045), (65, 1397813), (103, 882115), (205, 443209), (331, 274495), (515, 176423), (533, 170465), (1339, 67855), (1655, 54899), (2665, 34093), (4223, 21515), (4303, 21115), (6695, 13571)]