1665690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4271}}^1$

素因数の和:4294

約数の個数: 32

約数和(自身を含む): 4306176

約数和(自身を除く): 2640486

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 4271, 8542, 12813, 21355, 25626, 42710, 55523, 64065, 111046, 128130, 166569, 277615, 333138, 555230, 832845, 1665690]

約数ペア:

[(1, 1665690), (2, 832845), (3, 555230), (5, 333138), (6, 277615), (10, 166569), (13, 128130), (15, 111046), (26, 64065), (30, 55523), (39, 42710), (65, 25626), (78, 21355), (130, 12813), (195, 8542), (390, 4271)]