90809986

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{1129}}^1$

素因数の和:1569

約数の個数: 16

約数和(自身を含む): 137823840

約数和(自身を除く): 47013854

約数列:

[1, 2, 131, 262, 307, 614, 1129, 2258, 40217, 80434, 147899, 295798, 346603, 693206, 45404993, 90809986]

約数ペア:

[(1, 90809986), (2, 45404993), (131, 693206), (262, 346603), (307, 295798), (614, 147899), (1129, 80434), (2258, 40217)]