420067906

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 668448000

約数和(自身を除く): 248380094

約数列:

[1, 2, 23, 46, 109, 199, 218, 398, 421, 842, 2507, 4577, 5014, 9154, 9683, 19366, 21691, 43382, 45889, 83779, 91778, 167558, 498893, 997786, 1055447, 1926917, 2110894, 3853834, 9131911, 18263822, 210033953, 420067906]

約数ペア:

[(1, 420067906), (2, 210033953), (23, 18263822), (46, 9131911), (109, 3853834), (199, 2110894), (218, 1926917), (398, 1055447), (421, 997786), (842, 498893), (2507, 167558), (4577, 91778), (5014, 83779), (9154, 45889), (9683, 43382), (19366, 21691)]