90142136

素因数分解:

$2^3\times 7^1\times {\mathrm{631}}^1\times {\mathrm{2551}}^1$

素因数の和:3195

約数の個数: 32

約数和(自身を含む): 193543680

約数和(自身を除く): 103401544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 631, 1262, 2524, 2551, 4417, 5048, 5102, 8834, 10204, 17668, 17857, 20408, 35336, 35714, 71428, 142856, 1609681, 3219362, 6438724, 11267767, 12877448, 22535534, 45071068, 90142136]

約数ペア:

[(1, 90142136), (2, 45071068), (4, 22535534), (7, 12877448), (8, 11267767), (14, 6438724), (28, 3219362), (56, 1609681), (631, 142856), (1262, 71428), (2524, 35714), (2551, 35336), (4417, 20408), (5048, 17857), (5102, 17668), (8834, 10204)]