81427864

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{8707}}^1$

素因数の和:8887

約数の個数: 32

約数和(自身を含む): 175553280

約数和(自身を除く): 94125416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2338, 4676, 8707, 9352, 17414, 34828, 60949, 69656, 121898, 243796, 487592, 1454069, 2908138, 5816276, 10178483, 11632552, 20356966, 40713932, 81427864]

約数ペア:

[(1, 81427864), (2, 40713932), (4, 20356966), (7, 11632552), (8, 10178483), (14, 5816276), (28, 2908138), (56, 1454069), (167, 487592), (334, 243796), (668, 121898), (1169, 69656), (1336, 60949), (2338, 34828), (4676, 17414), (8707, 9352)]