81342016

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5857}}^1$

素因数の和:5907

約数の個数: 56

約数和(自身を含む): 190455296

約数和(自身を除く): 109113280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 5857, 6944, 11714, 13888, 23428, 40999, 46856, 81998, 93712, 163996, 181567, 187424, 327992, 363134, 374848, 655984, 726268, 1270969, 1311968, 1452536, 2541938, 2623936, 2905072, 5083876, 5810144, 10167752, 11620288, 20335504, 40671008, 81342016]

約数ペア:

[(1, 81342016), (2, 40671008), (4, 20335504), (7, 11620288), (8, 10167752), (14, 5810144), (16, 5083876), (28, 2905072), (31, 2623936), (32, 2541938), (56, 1452536), (62, 1311968), (64, 1270969), (112, 726268), (124, 655984), (217, 374848), (224, 363134), (248, 327992), (434, 187424), (448, 181567), (496, 163996), (868, 93712), (992, 81998), (1736, 46856), (1984, 40999), (3472, 23428), (5857, 13888), (6944, 11714)]