131128816

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{797}}^1$

素因数の和:938

約数の個数: 80

約数和(自身を含む): 315854784

約数和(自身を除く): 184725968

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 113, 182, 208, 226, 364, 452, 728, 791, 797, 904, 1456, 1469, 1582, 1594, 1808, 2938, 3164, 3188, 5579, 5876, 6328, 6376, 10283, 10361, 11158, 11752, 12656, 12752, 20566, 20722, 22316, 23504, 41132, 41444, 44632, 72527, 82264, 82888, 89264, 90061, 145054, 164528, 165776, 180122, 290108, 360244, 580216, 630427, 720488, 1160432, 1170793, 1260854, 1440976, 2341586, 2521708, 4683172, 5043416, 8195551, 9366344, 10086832, 16391102, 18732688, 32782204, 65564408, 131128816]

約数ペア:

[(1, 131128816), (2, 65564408), (4, 32782204), (7, 18732688), (8, 16391102), (13, 10086832), (14, 9366344), (16, 8195551), (26, 5043416), (28, 4683172), (52, 2521708), (56, 2341586), (91, 1440976), (104, 1260854), (112, 1170793), (113, 1160432), (182, 720488), (208, 630427), (226, 580216), (364, 360244), (452, 290108), (728, 180122), (791, 165776), (797, 164528), (904, 145054), (1456, 90061), (1469, 89264), (1582, 82888), (1594, 82264), (1808, 72527), (2938, 44632), (3164, 41444), (3188, 41132), (5579, 23504), (5876, 22316), (6328, 20722), (6376, 20566), (10283, 12752), (10361, 12656), (11158, 11752)]