28244268

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{20117}}^1$

素因数の和:20143

約数の個数: 48

約数和(自身を含む): 78862560

約数和(自身を除く): 50618292

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 20117, 40234, 60351, 80468, 120702, 181053, 241404, 261521, 362106, 523042, 543159, 724212, 784563, 1046084, 1086318, 1569126, 2172636, 2353689, 3138252, 4707378, 7061067, 9414756, 14122134, 28244268]

約数ペア:

[(1, 28244268), (2, 14122134), (3, 9414756), (4, 7061067), (6, 4707378), (9, 3138252), (12, 2353689), (13, 2172636), (18, 1569126), (26, 1086318), (27, 1046084), (36, 784563), (39, 724212), (52, 543159), (54, 523042), (78, 362106), (108, 261521), (117, 241404), (156, 181053), (234, 120702), (351, 80468), (468, 60351), (702, 40234), (1404, 20117)]