81491928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{11831}}^1$

素因数の和:11888

約数の個数: 64

約数和(自身を含む): 238533120

約数和(自身を除く): 157041192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 84, 123, 164, 168, 246, 287, 328, 492, 574, 861, 984, 1148, 1722, 2296, 3444, 6888, 11831, 23662, 35493, 47324, 70986, 82817, 94648, 141972, 165634, 248451, 283944, 331268, 485071, 496902, 662536, 970142, 993804, 1455213, 1940284, 1987608, 2910426, 3395497, 3880568, 5820852, 6790994, 10186491, 11641704, 13581988, 20372982, 27163976, 40745964, 81491928]

約数ペア:

[(1, 81491928), (2, 40745964), (3, 27163976), (4, 20372982), (6, 13581988), (7, 11641704), (8, 10186491), (12, 6790994), (14, 5820852), (21, 3880568), (24, 3395497), (28, 2910426), (41, 1987608), (42, 1940284), (56, 1455213), (82, 993804), (84, 970142), (123, 662536), (164, 496902), (168, 485071), (246, 331268), (287, 283944), (328, 248451), (492, 165634), (574, 141972), (861, 94648), (984, 82817), (1148, 70986), (1722, 47324), (2296, 35493), (3444, 23662), (6888, 11831)]