81376736

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11719}}^1$

素因数の和:11767

約数の個数: 48

約数和(自身を含む): 189020160

約数和(自身を除く): 107643424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 6944, 11719, 23438, 46876, 82033, 93752, 164066, 187504, 328132, 363289, 375008, 656264, 726578, 1312528, 1453156, 2543023, 2625056, 2906312, 5086046, 5812624, 10172092, 11625248, 20344184, 40688368, 81376736]

約数ペア:

[(1, 81376736), (2, 40688368), (4, 20344184), (7, 11625248), (8, 10172092), (14, 5812624), (16, 5086046), (28, 2906312), (31, 2625056), (32, 2543023), (56, 1453156), (62, 1312528), (112, 726578), (124, 656264), (217, 375008), (224, 363289), (248, 328132), (434, 187504), (496, 164066), (868, 93752), (992, 82033), (1736, 46876), (3472, 23438), (6944, 11719)]