398554128

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{131797}}^1$

素因数の和:131821

約数の個数: 80

約数和(自身を含む): 1307436160

約数和(自身を除く): 908882032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 131797, 263594, 395391, 527188, 790782, 922579, 1054376, 1186173, 1581564, 1845158, 2108752, 2372346, 2767737, 3163128, 3558519, 3690316, 4744692, 5535474, 6326256, 7117038, 7380632, 8303211, 9489384, 11070948, 14234076, 14761264, 16606422, 18978768, 22141896, 24909633, 28468152, 33212844, 44283792, 49819266, 56936304, 66425688, 99638532, 132851376, 199277064, 398554128]

約数ペア:

[(1, 398554128), (2, 199277064), (3, 132851376), (4, 99638532), (6, 66425688), (7, 56936304), (8, 49819266), (9, 44283792), (12, 33212844), (14, 28468152), (16, 24909633), (18, 22141896), (21, 18978768), (24, 16606422), (27, 14761264), (28, 14234076), (36, 11070948), (42, 9489384), (48, 8303211), (54, 7380632), (56, 7117038), (63, 6326256), (72, 5535474), (84, 4744692), (108, 3690316), (112, 3558519), (126, 3163128), (144, 2767737), (168, 2372346), (189, 2108752), (216, 1845158), (252, 1581564), (336, 1186173), (378, 1054376), (432, 922579), (504, 790782), (756, 527188), (1008, 395391), (1512, 263594), (3024, 131797)]