853990424

素因数分解:

$2^3\times 7^3\times {\mathrm{139}}^1\times {\mathrm{2239}}^1$

素因数の和:2405

約数の個数: 64

約数和(自身を含む): 1881600000

約数和(自身を除く): 1027609576

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 139, 196, 278, 343, 392, 556, 686, 973, 1112, 1372, 1946, 2239, 2744, 3892, 4478, 6811, 7784, 8956, 13622, 15673, 17912, 27244, 31346, 47677, 54488, 62692, 95354, 109711, 125384, 190708, 219422, 311221, 381416, 438844, 622442, 767977, 877688, 1244884, 1535954, 2178547, 2489768, 3071908, 4357094, 6143816, 8714188, 15249829, 17428376, 30499658, 60999316, 106748803, 121998632, 213497606, 426995212, 853990424]

約数ペア:

[(1, 853990424), (2, 426995212), (4, 213497606), (7, 121998632), (8, 106748803), (14, 60999316), (28, 30499658), (49, 17428376), (56, 15249829), (98, 8714188), (139, 6143816), (196, 4357094), (278, 3071908), (343, 2489768), (392, 2178547), (556, 1535954), (686, 1244884), (973, 877688), (1112, 767977), (1372, 622442), (1946, 438844), (2239, 381416), (2744, 311221), (3892, 219422), (4478, 190708), (6811, 125384), (7784, 109711), (8956, 95354), (13622, 62692), (15673, 54488), (17912, 47677), (27244, 31346)]