289980481

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3257}}^1$

素因数の和:3373

約数の個数: 24

約数和(自身を含む): 356555520

約数和(自身を除く): 66575039

約数列:

[1, 7, 23, 49, 79, 161, 553, 1127, 1817, 3257, 3871, 12719, 22799, 74911, 89033, 159593, 257303, 524377, 1801121, 3670639, 5917969, 12607847, 41425783, 289980481]

約数ペア:

[(1, 289980481), (7, 41425783), (23, 12607847), (49, 5917969), (79, 3670639), (161, 1801121), (553, 524377), (1127, 257303), (1817, 159593), (3257, 89033), (3871, 74911), (12719, 22799)]