68420996

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 140378112

約数和(自身を除く): 71957116

約数列:

[1, 2, 4, 7, 14, 28, 71, 127, 142, 254, 271, 284, 497, 508, 542, 889, 994, 1084, 1778, 1897, 1988, 3556, 3794, 7588, 9017, 18034, 19241, 34417, 36068, 38482, 63119, 68834, 76964, 126238, 134687, 137668, 240919, 252476, 269374, 481838, 538748, 963676, 2443607, 4887214, 9774428, 17105249, 34210498, 68420996]

約数ペア:

[(1, 68420996), (2, 34210498), (4, 17105249), (7, 9774428), (14, 4887214), (28, 2443607), (71, 963676), (127, 538748), (142, 481838), (254, 269374), (271, 252476), (284, 240919), (497, 137668), (508, 134687), (542, 126238), (889, 76964), (994, 68834), (1084, 63119), (1778, 38482), (1897, 36068), (1988, 34417), (3556, 19241), (3794, 18034), (7588, 9017)]