205821456

素因数分解:

$2^4\times 3^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:624

約数の個数: 80

約数和(自身を含む): 543953280

約数和(自身を除く): 338131824

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 73, 146, 151, 219, 292, 302, 389, 438, 453, 584, 604, 778, 876, 906, 1167, 1168, 1208, 1556, 1752, 1812, 2334, 2416, 3112, 3504, 3624, 4668, 6224, 7248, 9336, 11023, 18672, 22046, 28397, 33069, 44092, 56794, 58739, 66138, 85191, 88184, 113588, 117478, 132276, 170382, 176217, 176368, 227176, 234956, 264552, 340764, 352434, 454352, 469912, 529104, 681528, 704868, 939824, 1363056, 1409736, 2819472, 4287947, 8575894, 12863841, 17151788, 25727682, 34303576, 51455364, 68607152, 102910728, 205821456]

約数ペア:

[(1, 205821456), (2, 102910728), (3, 68607152), (4, 51455364), (6, 34303576), (8, 25727682), (12, 17151788), (16, 12863841), (24, 8575894), (48, 4287947), (73, 2819472), (146, 1409736), (151, 1363056), (219, 939824), (292, 704868), (302, 681528), (389, 529104), (438, 469912), (453, 454352), (584, 352434), (604, 340764), (778, 264552), (876, 234956), (906, 227176), (1167, 176368), (1168, 176217), (1208, 170382), (1556, 132276), (1752, 117478), (1812, 113588), (2334, 88184), (2416, 85191), (3112, 66138), (3504, 58739), (3624, 56794), (4668, 44092), (6224, 33069), (7248, 28397), (9336, 22046), (11023, 18672)]