78819965

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{547}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 113633280

約数和(自身を除く): 34813315

約数列:

[1, 5, 7, 23, 35, 115, 161, 179, 547, 805, 895, 1253, 2735, 3829, 4117, 6265, 12581, 19145, 20585, 28819, 62905, 88067, 97913, 144095, 440335, 489565, 685391, 2251999, 3426955, 11259995, 15763993, 78819965]

約数ペア:

[(1, 78819965), (5, 15763993), (7, 11259995), (23, 3426955), (35, 2251999), (115, 685391), (161, 489565), (179, 440335), (547, 144095), (805, 97913), (895, 88067), (1253, 62905), (2735, 28819), (3829, 20585), (4117, 19145), (6265, 12581)]