142581439

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 201632256

約数和(自身を除く): 59050817

約数列:

[1, 7, 11, 13, 23, 77, 91, 121, 143, 161, 253, 299, 563, 847, 1001, 1573, 1771, 2093, 2783, 3289, 3941, 6193, 7319, 11011, 12949, 19481, 23023, 36179, 43351, 51233, 68123, 80509, 90643, 142439, 168337, 253253, 476861, 563563, 885599, 997073, 1178359, 1566829, 1851707, 6199193, 10967803, 12961949, 20368777, 142581439]

約数ペア:

[(1, 142581439), (7, 20368777), (11, 12961949), (13, 10967803), (23, 6199193), (77, 1851707), (91, 1566829), (121, 1178359), (143, 997073), (161, 885599), (253, 563563), (299, 476861), (563, 253253), (847, 168337), (1001, 142439), (1573, 90643), (1771, 80509), (2093, 68123), (2783, 51233), (3289, 43351), (3941, 36179), (6193, 23023), (7319, 19481), (11011, 12949)]