90285986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2591}}^1$

素因数の和:2750

約数の個数: 32

約数和(自身を含む): 164229120

約数和(自身を除く): 73943134

約数列:

[1, 2, 7, 14, 19, 38, 131, 133, 262, 266, 917, 1834, 2489, 2591, 4978, 5182, 17423, 18137, 34846, 36274, 49229, 98458, 339421, 344603, 678842, 689206, 2375947, 4751894, 6448999, 12897998, 45142993, 90285986]

約数ペア:

[(1, 90285986), (2, 45142993), (7, 12897998), (14, 6448999), (19, 4751894), (38, 2375947), (131, 689206), (133, 678842), (262, 344603), (266, 339421), (917, 98458), (1834, 49229), (2489, 36274), (2591, 34846), (4978, 18137), (5182, 17423)]