643670676

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{85549}}^1$

素因数の和:85589

約数の個数: 72

約数和(自身を含む): 1868412000

約数和(自身を除く): 1224741324

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 342, 396, 418, 627, 684, 836, 1254, 1881, 2508, 3762, 7524, 85549, 171098, 256647, 342196, 513294, 769941, 941039, 1026588, 1539882, 1625431, 1882078, 2823117, 3079764, 3250862, 3764156, 4876293, 5646234, 6501724, 8469351, 9752586, 11292468, 14628879, 16938702, 17879741, 19505172, 29257758, 33877404, 35759482, 53639223, 58515516, 71518964, 107278446, 160917669, 214556892, 321835338, 643670676]

約数ペア:

[(1, 643670676), (2, 321835338), (3, 214556892), (4, 160917669), (6, 107278446), (9, 71518964), (11, 58515516), (12, 53639223), (18, 35759482), (19, 33877404), (22, 29257758), (33, 19505172), (36, 17879741), (38, 16938702), (44, 14628879), (57, 11292468), (66, 9752586), (76, 8469351), (99, 6501724), (114, 5646234), (132, 4876293), (171, 3764156), (198, 3250862), (209, 3079764), (228, 2823117), (342, 1882078), (396, 1625431), (418, 1539882), (627, 1026588), (684, 941039), (836, 769941), (1254, 513294), (1881, 342196), (2508, 256647), (3762, 171098), (7524, 85549)]