990688412

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1\times {\mathrm{1993}}^1$

素因数の和:2478

約数の個数: 48

約数和(自身を含む): 2035411392

約数和(自身を除く): 1044722980

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 433, 574, 866, 1148, 1732, 1993, 3031, 3986, 6062, 7972, 12124, 13951, 17753, 27902, 35506, 55804, 71012, 81713, 124271, 163426, 248542, 326852, 497084, 571991, 862969, 1143982, 1725938, 2287964, 3451876, 6040783, 12081566, 24163132, 35381729, 70763458, 141526916, 247672103, 495344206, 990688412]

約数ペア:

[(1, 990688412), (2, 495344206), (4, 247672103), (7, 141526916), (14, 70763458), (28, 35381729), (41, 24163132), (82, 12081566), (164, 6040783), (287, 3451876), (433, 2287964), (574, 1725938), (866, 1143982), (1148, 862969), (1732, 571991), (1993, 497084), (3031, 326852), (3986, 248542), (6062, 163426), (7972, 124271), (12124, 81713), (13951, 71012), (17753, 55804), (27902, 35506)]