31321312

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{881}}^1$

素因数の和:1003

約数の個数: 48

約数和(自身を含む): 68012784

約数和(自身を除く): 36691472

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 101, 176, 202, 352, 404, 808, 881, 1111, 1616, 1762, 2222, 3232, 3524, 4444, 7048, 8888, 9691, 14096, 17776, 19382, 28192, 35552, 38764, 77528, 88981, 155056, 177962, 310112, 355924, 711848, 978791, 1423696, 1957582, 2847392, 3915164, 7830328, 15660656, 31321312]

約数ペア:

[(1, 31321312), (2, 15660656), (4, 7830328), (8, 3915164), (11, 2847392), (16, 1957582), (22, 1423696), (32, 978791), (44, 711848), (88, 355924), (101, 310112), (176, 177962), (202, 155056), (352, 88981), (404, 77528), (808, 38764), (881, 35552), (1111, 28192), (1616, 19382), (1762, 17776), (2222, 14096), (3232, 9691), (3524, 8888), (4444, 7048)]