661679256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{207293}}^1$

素因数の和:207328

約数の個数: 64

約数和(自身を含む): 1990022400

約数和(自身を除く): 1328343144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 456, 532, 798, 1064, 1596, 3192, 207293, 414586, 621879, 829172, 1243758, 1451051, 1658344, 2487516, 2902102, 3938567, 4353153, 4975032, 5804204, 7877134, 8706306, 11608408, 11815701, 15754268, 17412612, 23631402, 27569969, 31508536, 34825224, 47262804, 55139938, 82709907, 94525608, 110279876, 165419814, 220559752, 330839628, 661679256]

約数ペア:

[(1, 661679256), (2, 330839628), (3, 220559752), (4, 165419814), (6, 110279876), (7, 94525608), (8, 82709907), (12, 55139938), (14, 47262804), (19, 34825224), (21, 31508536), (24, 27569969), (28, 23631402), (38, 17412612), (42, 15754268), (56, 11815701), (57, 11608408), (76, 8706306), (84, 7877134), (114, 5804204), (133, 4975032), (152, 4353153), (168, 3938567), (228, 2902102), (266, 2487516), (399, 1658344), (456, 1451051), (532, 1243758), (798, 829172), (1064, 621879), (1596, 414586), (3192, 207293)]