123818142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 289013760

約数和(自身を除く): 165195618

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 139, 167, 254, 278, 334, 381, 417, 501, 762, 834, 889, 973, 1002, 1169, 1778, 1946, 2338, 2667, 2919, 3507, 5334, 5838, 7014, 17653, 21209, 23213, 35306, 42418, 46426, 52959, 63627, 69639, 105918, 123571, 127254, 139278, 148463, 162491, 247142, 296926, 324982, 370713, 445389, 487473, 741426, 890778, 974946, 2948051, 5896102, 8844153, 17688306, 20636357, 41272714, 61909071, 123818142]

約数ペア:

[(1, 123818142), (2, 61909071), (3, 41272714), (6, 20636357), (7, 17688306), (14, 8844153), (21, 5896102), (42, 2948051), (127, 974946), (139, 890778), (167, 741426), (254, 487473), (278, 445389), (334, 370713), (381, 324982), (417, 296926), (501, 247142), (762, 162491), (834, 148463), (889, 139278), (973, 127254), (1002, 123571), (1169, 105918), (1778, 69639), (1946, 63627), (2338, 52959), (2667, 46426), (2919, 42418), (3507, 35306), (5334, 23213), (5838, 21209), (7014, 17653)]