123345690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{316271}}^1$

素因数の和:316294

約数の個数: 32

約数和(自身を含む): 318802176

約数和(自身を除く): 195456486

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 316271, 632542, 948813, 1581355, 1897626, 3162710, 4111523, 4744065, 8223046, 9488130, 12334569, 20557615, 24669138, 41115230, 61672845, 123345690]

約数ペア:

[(1, 123345690), (2, 61672845), (3, 41115230), (5, 24669138), (6, 20557615), (10, 12334569), (13, 9488130), (15, 8223046), (26, 4744065), (30, 4111523), (39, 3162710), (65, 1897626), (78, 1581355), (130, 948813), (195, 632542), (390, 316271)]