218404564

素因数分解:

$2^2\times 7^4\times {\mathrm{22741}}^1$

素因数の和:22773

約数の個数: 30

約数和(自身を含む): 445902394

約数和(自身を除く): 227497830

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2401, 4802, 9604, 22741, 45482, 90964, 159187, 318374, 636748, 1114309, 2228618, 4457236, 7800163, 15600326, 31200652, 54601141, 109202282, 218404564]

約数ペア:

[(1, 218404564), (2, 109202282), (4, 54601141), (7, 31200652), (14, 15600326), (28, 7800163), (49, 4457236), (98, 2228618), (196, 1114309), (343, 636748), (686, 318374), (1372, 159187), (2401, 90964), (4802, 45482), (9604, 22741)]