1266279190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{17903}}^1$

素因数の和:18564

約数の個数: 32

約数和(自身を含む): 2490518016

約数和(自身を除く): 1224238826

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 643, 1286, 3215, 6430, 7073, 14146, 17903, 35365, 35806, 70730, 89515, 179030, 196933, 393866, 984665, 1969330, 11511629, 23023258, 57558145, 115116290, 126627919, 253255838, 633139595, 1266279190]

約数ペア:

[(1, 1266279190), (2, 633139595), (5, 253255838), (10, 126627919), (11, 115116290), (22, 57558145), (55, 23023258), (110, 11511629), (643, 1969330), (1286, 984665), (3215, 393866), (6430, 196933), (7073, 179030), (14146, 89515), (17903, 70730), (35365, 35806)]