81587412

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{8123}}^1$

素因数の和:8170

約数の個数: 60

約数和(自身を含む): 220192896

約数和(自身を除く): 138605484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 279, 324, 372, 558, 837, 1116, 1674, 2511, 3348, 5022, 8123, 10044, 16246, 24369, 32492, 48738, 73107, 97476, 146214, 219321, 251813, 292428, 438642, 503626, 657963, 755439, 877284, 1007252, 1315926, 1510878, 2266317, 2631852, 3021756, 4532634, 6798951, 9065268, 13597902, 20396853, 27195804, 40793706, 81587412]

約数ペア:

[(1, 81587412), (2, 40793706), (3, 27195804), (4, 20396853), (6, 13597902), (9, 9065268), (12, 6798951), (18, 4532634), (27, 3021756), (31, 2631852), (36, 2266317), (54, 1510878), (62, 1315926), (81, 1007252), (93, 877284), (108, 755439), (124, 657963), (162, 503626), (186, 438642), (279, 292428), (324, 251813), (372, 219321), (558, 146214), (837, 97476), (1116, 73107), (1674, 48738), (2511, 32492), (3348, 24369), (5022, 16246), (8123, 10044)]