221495352

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{709921}}^1$

素因数の和:709943

約数の個数: 32

約数和(自身を含む): 596334480

約数和(自身を除く): 374839128

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 709921, 1419842, 2129763, 2839684, 4259526, 5679368, 8519052, 9228973, 17038104, 18457946, 27686919, 36915892, 55373838, 73831784, 110747676, 221495352]

約数ペア:

[(1, 221495352), (2, 110747676), (3, 73831784), (4, 55373838), (6, 36915892), (8, 27686919), (12, 18457946), (13, 17038104), (24, 9228973), (26, 8519052), (39, 5679368), (52, 4259526), (78, 2839684), (104, 2129763), (156, 1419842), (312, 709921)]