2019885855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{3881}}^1$

素因数の和:4076

約数の個数: 64

約数和(自身を含む): 3709577088

約数和(自身を除く): 1689691233

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 157, 195, 221, 255, 471, 663, 785, 1105, 2041, 2355, 2669, 3315, 3881, 6123, 8007, 10205, 11643, 13345, 19405, 30615, 34697, 40035, 50453, 58215, 65977, 104091, 151359, 173485, 197931, 252265, 329885, 520455, 609317, 756795, 857701, 989655, 1827951, 2573103, 3046585, 4288505, 7921121, 9139755, 10358389, 12865515, 23763363, 31075167, 39605605, 51791945, 118816815, 134659057, 155375835, 403977171, 673295285, 2019885855]

約数ペア:

[(1, 2019885855), (3, 673295285), (5, 403977171), (13, 155375835), (15, 134659057), (17, 118816815), (39, 51791945), (51, 39605605), (65, 31075167), (85, 23763363), (157, 12865515), (195, 10358389), (221, 9139755), (255, 7921121), (471, 4288505), (663, 3046585), (785, 2573103), (1105, 1827951), (2041, 989655), (2355, 857701), (2669, 756795), (3315, 609317), (3881, 520455), (6123, 329885), (8007, 252265), (10205, 197931), (11643, 173485), (13345, 151359), (19405, 104091), (30615, 65977), (34697, 58215), (40035, 50453)]