88898887

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 120559104

約数和(自身を除く): 31660217

約数列:

[1, 7, 11, 23, 49, 71, 77, 101, 161, 253, 497, 539, 707, 781, 1111, 1127, 1633, 1771, 2323, 3479, 4949, 5467, 7171, 7777, 11431, 12397, 16261, 17963, 25553, 38269, 50197, 54439, 78881, 80017, 113827, 125741, 164933, 178871, 351379, 552167, 880187, 1154531, 1252097, 1814263, 3865169, 8081717, 12699841, 88898887]

約数ペア:

[(1, 88898887), (7, 12699841), (11, 8081717), (23, 3865169), (49, 1814263), (71, 1252097), (77, 1154531), (101, 880187), (161, 552167), (253, 351379), (497, 178871), (539, 164933), (707, 125741), (781, 113827), (1111, 80017), (1127, 78881), (1633, 54439), (1771, 50197), (2323, 38269), (3479, 25553), (4949, 17963), (5467, 16261), (7171, 12397), (7777, 11431)]