1287748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 2911104

約数和(自身を除く): 1623356

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 113, 148, 154, 226, 259, 308, 407, 452, 518, 791, 814, 1036, 1243, 1582, 1628, 2486, 2849, 3164, 4181, 4972, 5698, 8362, 8701, 11396, 16724, 17402, 29267, 34804, 45991, 58534, 91982, 117068, 183964, 321937, 643874, 1287748]

約数ペア:

[(1, 1287748), (2, 643874), (4, 321937), (7, 183964), (11, 117068), (14, 91982), (22, 58534), (28, 45991), (37, 34804), (44, 29267), (74, 17402), (77, 16724), (113, 11396), (148, 8701), (154, 8362), (226, 5698), (259, 4972), (308, 4181), (407, 3164), (452, 2849), (518, 2486), (791, 1628), (814, 1582), (1036, 1243)]