15888085

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 21312000

約数和(自身を除く): 5423915

約数列:

[1, 5, 19, 29, 73, 79, 95, 145, 365, 395, 551, 1387, 1501, 2117, 2291, 2755, 5767, 6935, 7505, 10585, 11455, 28835, 40223, 43529, 109573, 167243, 201115, 217645, 547865, 836215, 3177617, 15888085]

約数ペア:

[(1, 15888085), (5, 3177617), (19, 836215), (29, 547865), (73, 217645), (79, 201115), (95, 167243), (145, 109573), (365, 43529), (395, 40223), (551, 28835), (1387, 11455), (1501, 10585), (2117, 7505), (2291, 6935), (2755, 5767)]