11978252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 25251072

約数和(自身を除く): 13272820

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 172, 286, 473, 487, 559, 572, 946, 974, 1118, 1892, 1948, 2236, 5357, 6149, 6331, 10714, 12298, 12662, 20941, 21428, 24596, 25324, 41882, 69641, 83764, 139282, 230351, 272233, 278564, 460702, 544466, 921404, 1088932, 2994563, 5989126, 11978252]

約数ペア:

[(1, 11978252), (2, 5989126), (4, 2994563), (11, 1088932), (13, 921404), (22, 544466), (26, 460702), (43, 278564), (44, 272233), (52, 230351), (86, 139282), (143, 83764), (172, 69641), (286, 41882), (473, 25324), (487, 24596), (559, 21428), (572, 20941), (946, 12662), (974, 12298), (1118, 10714), (1892, 6331), (1948, 6149), (2236, 5357)]