209993406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{68491}}^1$

素因数の和:68576

約数の個数: 32

約数和(自身を含む): 486567168

約数和(自身を除く): 276573762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 68491, 136982, 205473, 410946, 479437, 958874, 1438311, 2876622, 4999843, 9999686, 14999529, 29999058, 34998901, 69997802, 104996703, 209993406]

約数ペア:

[(1, 209993406), (2, 104996703), (3, 69997802), (6, 34998901), (7, 29999058), (14, 14999529), (21, 9999686), (42, 4999843), (73, 2876622), (146, 1438311), (219, 958874), (438, 479437), (511, 410946), (1022, 205473), (1533, 136982), (3066, 68491)]