289609859

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3803}}^1$

素因数の和:3887

約数の個数: 32

約数和(自身を含む): 385634304

約数和(自身を除く): 96024445

約数列:

[1, 7, 11, 23, 43, 77, 161, 253, 301, 473, 989, 1771, 3311, 3803, 6923, 10879, 26621, 41833, 76153, 87469, 163529, 292831, 612283, 962159, 1144703, 1798819, 3761167, 6735113, 12591733, 26328169, 41372837, 289609859]

約数ペア:

[(1, 289609859), (7, 41372837), (11, 26328169), (23, 12591733), (43, 6735113), (77, 3761167), (161, 1798819), (253, 1144703), (301, 962159), (473, 612283), (989, 292831), (1771, 163529), (3311, 87469), (3803, 76153), (6923, 41833), (10879, 26621)]