217872956

素因数分解:

$2^2\times 7^1\times {\mathrm{1663}}^1\times {\mathrm{4679}}^1$

素因数の和:6353

約数の個数: 24

約数和(自身を含む): 436101120

約数和(自身を除く): 218228164

約数列:

[1, 2, 4, 7, 14, 28, 1663, 3326, 4679, 6652, 9358, 11641, 18716, 23282, 32753, 46564, 65506, 131012, 7781177, 15562354, 31124708, 54468239, 108936478, 217872956]

約数ペア:

[(1, 217872956), (2, 108936478), (4, 54468239), (7, 31124708), (14, 15562354), (28, 7781177), (1663, 131012), (3326, 65506), (4679, 46564), (6652, 32753), (9358, 23282), (11641, 18716)]