261747684863

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1\times {\mathrm{10259}}^1$

素因数の和:10680

約数の個数: 48

約数和(自身を含む): 326540095200

約数和(自身を除く): 64792410337

約数列:

[1, 7, 17, 49, 109, 119, 281, 763, 833, 1853, 1967, 4777, 5341, 10259, 12971, 13769, 30629, 33439, 71813, 90797, 174403, 214403, 234073, 502691, 520693, 1118231, 1220821, 1500821, 2882779, 3644851, 7827617, 8545747, 19009927, 20179453, 25513957, 49007243, 54793319, 133069489, 141256171, 314222911, 343050701, 931486423, 2199560377, 2401354907, 5341789487, 15396922639, 37392526409, 261747684863]

約数ペア:

[(1, 261747684863), (7, 37392526409), (17, 15396922639), (49, 5341789487), (109, 2401354907), (119, 2199560377), (281, 931486423), (763, 343050701), (833, 314222911), (1853, 141256171), (1967, 133069489), (4777, 54793319), (5341, 49007243), (10259, 25513957), (12971, 20179453), (13769, 19009927), (30629, 8545747), (33439, 7827617), (71813, 3644851), (90797, 2882779), (174403, 1500821), (214403, 1220821), (234073, 1118231), (502691, 520693)]