1308487684

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{17789}}^1$

素因数の和:17908

約数の個数: 48

約数和(自身を含む): 2725712640

約数和(自身を除く): 1417224956

約数列:

[1, 2, 4, 7, 14, 28, 37, 71, 74, 142, 148, 259, 284, 497, 518, 994, 1036, 1988, 2627, 5254, 10508, 17789, 18389, 35578, 36778, 71156, 73556, 124523, 249046, 498092, 658193, 1263019, 1316386, 2526038, 2632772, 4607351, 5052076, 8841133, 9214702, 17682266, 18429404, 35364532, 46731703, 93463406, 186926812, 327121921, 654243842, 1308487684]

約数ペア:

[(1, 1308487684), (2, 654243842), (4, 327121921), (7, 186926812), (14, 93463406), (28, 46731703), (37, 35364532), (71, 18429404), (74, 17682266), (142, 9214702), (148, 8841133), (259, 5052076), (284, 4607351), (497, 2632772), (518, 2526038), (994, 1316386), (1036, 1263019), (1988, 658193), (2627, 498092), (5254, 249046), (10508, 124523), (17789, 73556), (18389, 71156), (35578, 36778)]