15880501

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 20222720

約数和(自身を除く): 4342219

約数列:

[1, 7, 13, 47, 79, 91, 329, 553, 611, 1027, 2209, 3713, 4277, 7189, 15463, 25991, 28717, 48269, 174511, 201019, 337883, 1221577, 2268643, 15880501]

約数ペア:

[(1, 15880501), (7, 2268643), (13, 1221577), (47, 337883), (79, 201019), (91, 174511), (329, 48269), (553, 28717), (611, 25991), (1027, 15463), (2209, 7189), (3713, 4277)]