287889748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{2767}}^1$

素因数の和:2864

約数の個数: 36

約数和(自身を含む): 545240640

約数和(自身を除く): 257350892

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1369, 1406, 2738, 2767, 2812, 5476, 5534, 11068, 26011, 52022, 52573, 102379, 104044, 105146, 204758, 210292, 409516, 1945201, 3788023, 3890402, 7576046, 7780804, 15152092, 71972437, 143944874, 287889748]

約数ペア:

[(1, 287889748), (2, 143944874), (4, 71972437), (19, 15152092), (37, 7780804), (38, 7576046), (74, 3890402), (76, 3788023), (148, 1945201), (703, 409516), (1369, 210292), (1406, 204758), (2738, 105146), (2767, 104044), (2812, 102379), (5476, 52573), (5534, 52022), (11068, 26011)]