289295864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{252881}}^1$

素因数の和:252911

約数の個数: 32

約数和(自身を含む): 637262640

約数和(自身を除く): 347966776

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 252881, 505762, 1011524, 2023048, 2781691, 3287453, 5563382, 6574906, 11126764, 13149812, 22253528, 26299624, 36161983, 72323966, 144647932, 289295864]

約数ペア:

[(1, 289295864), (2, 144647932), (4, 72323966), (8, 36161983), (11, 26299624), (13, 22253528), (22, 13149812), (26, 11126764), (44, 6574906), (52, 5563382), (88, 3287453), (104, 2781691), (143, 2023048), (286, 1011524), (572, 505762), (1144, 252881)]