78421145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1319}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 109486080

約数和(自身を除く): 31064935

約数列:

[1, 5, 11, 23, 47, 55, 115, 235, 253, 517, 1081, 1265, 1319, 2585, 5405, 6595, 11891, 14509, 30337, 59455, 61993, 72545, 151685, 309965, 333707, 681923, 1425839, 1668535, 3409615, 7129195, 15684229, 78421145]

約数ペア:

[(1, 78421145), (5, 15684229), (11, 7129195), (23, 3409615), (47, 1668535), (55, 1425839), (115, 681923), (235, 333707), (253, 309965), (517, 151685), (1081, 72545), (1265, 61993), (1319, 59455), (2585, 30337), (5405, 14509), (6595, 11891)]