6680940721

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1709}}^1$

素因数の和:1791

約数の個数: 72

約数和(自身を含む): 9358289640

約数和(自身を除く): 2677348919

約数列:

[1, 7, 13, 17, 19, 49, 91, 119, 133, 221, 247, 323, 361, 637, 833, 931, 1547, 1709, 1729, 2261, 2527, 4199, 4693, 6137, 10829, 11963, 12103, 15827, 17689, 22217, 29053, 29393, 32471, 32851, 42959, 79781, 83741, 155519, 203371, 205751, 227297, 229957, 300713, 377689, 422123, 552007, 558467, 616949, 1088633, 1423597, 1591079, 2643823, 2954861, 3864049, 3909269, 4318643, 7176091, 8020337, 10488133, 18506761, 20684027, 27048343, 30230501, 50232637, 56142359, 73416931, 136345729, 351628459, 392996513, 513918517, 954420103, 6680940721]

約数ペア:

[(1, 6680940721), (7, 954420103), (13, 513918517), (17, 392996513), (19, 351628459), (49, 136345729), (91, 73416931), (119, 56142359), (133, 50232637), (221, 30230501), (247, 27048343), (323, 20684027), (361, 18506761), (637, 10488133), (833, 8020337), (931, 7176091), (1547, 4318643), (1709, 3909269), (1729, 3864049), (2261, 2954861), (2527, 2643823), (4199, 1591079), (4693, 1423597), (6137, 1088633), (10829, 616949), (11963, 558467), (12103, 552007), (15827, 422123), (17689, 377689), (22217, 300713), (29053, 229957), (29393, 227297), (32471, 205751), (32851, 203371), (42959, 155519), (79781, 83741)]