890758895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1\times {\mathrm{563}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 1169429184

約数和(自身を除く): 278670289

約数列:

[1, 5, 13, 65, 101, 241, 505, 563, 1205, 1313, 2815, 3133, 6565, 7319, 15665, 24341, 36595, 56863, 121705, 135683, 284315, 316433, 678415, 739219, 1582165, 1763879, 3696095, 8819395, 13703983, 68519915, 178151779, 890758895]

約数ペア:

[(1, 890758895), (5, 178151779), (13, 68519915), (65, 13703983), (101, 8819395), (241, 3696095), (505, 1763879), (563, 1582165), (1205, 739219), (1313, 678415), (2815, 316433), (3133, 284315), (6565, 135683), (7319, 121705), (15665, 56863), (24341, 36595)]