8221990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1609}}^1$

素因数の和:1696

約数の個数: 32

約数和(自身を含む): 17156160

約数和(自身を除く): 8934170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 1609, 2555, 3218, 5110, 8045, 11263, 16090, 22526, 56315, 112630, 117457, 234914, 587285, 822199, 1174570, 1644398, 4110995, 8221990]

約数ペア:

[(1, 8221990), (2, 4110995), (5, 1644398), (7, 1174570), (10, 822199), (14, 587285), (35, 234914), (70, 117457), (73, 112630), (146, 56315), (365, 22526), (511, 16090), (730, 11263), (1022, 8045), (1609, 5110), (2555, 3218)]