28631722

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 50688000

約数和(自身を除く): 22056278

約数列:

[1, 2, 7, 14, 43, 86, 199, 239, 301, 398, 478, 602, 1393, 1673, 2786, 3346, 8557, 10277, 17114, 20554, 47561, 59899, 71939, 95122, 119798, 143878, 332927, 665854, 2045123, 4090246, 14315861, 28631722]

約数ペア:

[(1, 28631722), (2, 14315861), (7, 4090246), (14, 2045123), (43, 665854), (86, 332927), (199, 143878), (239, 119798), (301, 95122), (398, 71939), (478, 59899), (602, 47561), (1393, 20554), (1673, 17114), (2786, 10277), (3346, 8557)]