201756989

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 249114624

約数和(自身を除く): 47357635

約数列:

[1, 7, 23, 43, 151, 161, 193, 301, 989, 1057, 1351, 3473, 4439, 6493, 6923, 8299, 24311, 29143, 31073, 45451, 58093, 149339, 190877, 204001, 670289, 1045373, 1253149, 1336139, 4692023, 8772043, 28822427, 201756989]

約数ペア:

[(1, 201756989), (7, 28822427), (23, 8772043), (43, 4692023), (151, 1336139), (161, 1253149), (193, 1045373), (301, 670289), (989, 204001), (1057, 190877), (1351, 149339), (3473, 58093), (4439, 45451), (6493, 31073), (6923, 29143), (8299, 24311)]