200991637

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 256435200

約数和(自身を除く): 55443563

約数列:

[1, 7, 11, 77, 89, 139, 211, 623, 973, 979, 1477, 1529, 2321, 6853, 10703, 12371, 16247, 18779, 29329, 86597, 131453, 136081, 205303, 206569, 322619, 952567, 1445983, 2258333, 2610281, 18271967, 28713091, 200991637]

約数ペア:

[(1, 200991637), (7, 28713091), (11, 18271967), (77, 2610281), (89, 2258333), (139, 1445983), (211, 952567), (623, 322619), (973, 206569), (979, 205303), (1477, 136081), (1529, 131453), (2321, 86597), (6853, 29329), (10703, 18779), (12371, 16247)]