28457688

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{727}}^1$

素因数の和:976

約数の個数: 64

約数和(自身を含む): 81768960

約数和(自身を除く): 53311272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 233, 466, 699, 727, 932, 1398, 1454, 1631, 1864, 2181, 2796, 2908, 3262, 4362, 4893, 5089, 5592, 5816, 6524, 8724, 9786, 10178, 13048, 15267, 17448, 19572, 20356, 30534, 39144, 40712, 61068, 122136, 169391, 338782, 508173, 677564, 1016346, 1185737, 1355128, 2032692, 2371474, 3557211, 4065384, 4742948, 7114422, 9485896, 14228844, 28457688]

約数ペア:

[(1, 28457688), (2, 14228844), (3, 9485896), (4, 7114422), (6, 4742948), (7, 4065384), (8, 3557211), (12, 2371474), (14, 2032692), (21, 1355128), (24, 1185737), (28, 1016346), (42, 677564), (56, 508173), (84, 338782), (168, 169391), (233, 122136), (466, 61068), (699, 40712), (727, 39144), (932, 30534), (1398, 20356), (1454, 19572), (1631, 17448), (1864, 15267), (2181, 13048), (2796, 10178), (2908, 9786), (3262, 8724), (4362, 6524), (4893, 5816), (5089, 5592)]