156931369

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8191}}^1$

素因数の和:8245

約数の個数: 24

約数和(自身を含む): 201719808

約数和(自身を除く): 44788439

約数列:

[1, 7, 17, 23, 49, 119, 161, 391, 833, 1127, 2737, 8191, 19159, 57337, 139247, 188393, 401359, 974729, 1318751, 3202681, 6823103, 9231257, 22418767, 156931369]

約数ペア:

[(1, 156931369), (7, 22418767), (17, 9231257), (23, 6823103), (49, 3202681), (119, 1318751), (161, 974729), (391, 401359), (833, 188393), (1127, 139247), (2737, 57337), (8191, 19159)]