81899584

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{569}}^1$

素因数の和:767

約数の個数: 56

約数和(自身を含む): 176342040

約数和(自身を除く): 94442456

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 173, 208, 346, 416, 569, 692, 832, 1138, 1384, 2249, 2276, 2768, 4498, 4552, 5536, 7397, 8996, 9104, 11072, 14794, 17992, 18208, 29588, 35984, 36416, 59176, 71968, 98437, 118352, 143936, 196874, 236704, 393748, 473408, 787496, 1279681, 1574992, 2559362, 3149984, 5118724, 6299968, 10237448, 20474896, 40949792, 81899584]

約数ペア:

[(1, 81899584), (2, 40949792), (4, 20474896), (8, 10237448), (13, 6299968), (16, 5118724), (26, 3149984), (32, 2559362), (52, 1574992), (64, 1279681), (104, 787496), (173, 473408), (208, 393748), (346, 236704), (416, 196874), (569, 143936), (692, 118352), (832, 98437), (1138, 71968), (1384, 59176), (2249, 36416), (2276, 35984), (2768, 29588), (4498, 18208), (4552, 17992), (5536, 14794), (7397, 11072), (8996, 9104)]