205728306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1171}}^1$

素因数の和:1319

約数の個数: 64

約数和(自身を含む): 486051840

約数和(自身を除く): 280323534

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 89, 94, 141, 178, 267, 282, 329, 534, 623, 658, 987, 1171, 1246, 1869, 1974, 2342, 3513, 3738, 4183, 7026, 8197, 8366, 12549, 16394, 24591, 25098, 29281, 49182, 55037, 58562, 87843, 104219, 110074, 165111, 175686, 208438, 312657, 330222, 385259, 625314, 729533, 770518, 1155777, 1459066, 2188599, 2311554, 4377198, 4898293, 9796586, 14694879, 29389758, 34288051, 68576102, 102864153, 205728306]

約数ペア:

[(1, 205728306), (2, 102864153), (3, 68576102), (6, 34288051), (7, 29389758), (14, 14694879), (21, 9796586), (42, 4898293), (47, 4377198), (89, 2311554), (94, 2188599), (141, 1459066), (178, 1155777), (267, 770518), (282, 729533), (329, 625314), (534, 385259), (623, 330222), (658, 312657), (987, 208438), (1171, 175686), (1246, 165111), (1869, 110074), (1974, 104219), (2342, 87843), (3513, 58562), (3738, 55037), (4183, 49182), (7026, 29281), (8197, 25098), (8366, 24591), (12549, 16394)]