85808905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 129651840

約数和(自身を除く): 43842935

約数列:

[1, 5, 7, 13, 35, 65, 89, 91, 163, 169, 445, 455, 623, 815, 845, 1141, 1157, 1183, 2119, 3115, 5705, 5785, 5915, 8099, 10595, 14507, 14833, 15041, 27547, 40495, 72535, 74165, 75205, 101549, 105287, 137735, 188591, 192829, 507745, 526435, 942955, 964145, 1320137, 2451683, 6600685, 12258415, 17161781, 85808905]

約数ペア:

[(1, 85808905), (5, 17161781), (7, 12258415), (13, 6600685), (35, 2451683), (65, 1320137), (89, 964145), (91, 942955), (163, 526435), (169, 507745), (445, 192829), (455, 188591), (623, 137735), (815, 105287), (845, 101549), (1141, 75205), (1157, 74165), (1183, 72535), (2119, 40495), (3115, 27547), (5705, 15041), (5785, 14833), (5915, 14507), (8099, 10595)]