890243558

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{1987}}^1\times {\mathrm{2699}}^1$

素因数の和:4771

約数の個数: 16

約数和(自身を含む): 1352635200

約数和(自身を除く): 462391642

約数列:

[1, 2, 83, 166, 1987, 2699, 3974, 5398, 164921, 224017, 329842, 448034, 5362913, 10725826, 445121779, 890243558]

約数ペア:

[(1, 890243558), (2, 445121779), (83, 10725826), (166, 5362913), (1987, 448034), (2699, 329842), (3974, 224017), (5398, 164921)]