81278412

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1627}}^1$

素因数の和:1838

約数の個数: 48

約数和(自身を含む): 199110912

約数和(自身を除く): 117832500

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 181, 276, 362, 543, 724, 1086, 1627, 2172, 3254, 4163, 4881, 6508, 8326, 9762, 12489, 16652, 19524, 24978, 37421, 49956, 74842, 112263, 149684, 224526, 294487, 449052, 588974, 883461, 1177948, 1766922, 3533844, 6773201, 13546402, 20319603, 27092804, 40639206, 81278412]

約数ペア:

[(1, 81278412), (2, 40639206), (3, 27092804), (4, 20319603), (6, 13546402), (12, 6773201), (23, 3533844), (46, 1766922), (69, 1177948), (92, 883461), (138, 588974), (181, 449052), (276, 294487), (362, 224526), (543, 149684), (724, 112263), (1086, 74842), (1627, 49956), (2172, 37421), (3254, 24978), (4163, 19524), (4881, 16652), (6508, 12489), (8326, 9762)]