28260918

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1063}}^1$

素因数の和:1289

約数の個数: 48

約数和(自身を含む): 70377216

約数和(自身を除く): 42116298

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 211, 422, 633, 1063, 1266, 1477, 1899, 2126, 2954, 3189, 3798, 4431, 6378, 7441, 8862, 9567, 13293, 14882, 19134, 22323, 26586, 44646, 66969, 133938, 224293, 448586, 672879, 1345758, 1570051, 2018637, 3140102, 4037274, 4710153, 9420306, 14130459, 28260918]

約数ペア:

[(1, 28260918), (2, 14130459), (3, 9420306), (6, 4710153), (7, 4037274), (9, 3140102), (14, 2018637), (18, 1570051), (21, 1345758), (42, 672879), (63, 448586), (126, 224293), (211, 133938), (422, 66969), (633, 44646), (1063, 26586), (1266, 22323), (1477, 19134), (1899, 14882), (2126, 13293), (2954, 9567), (3189, 8862), (3798, 7441), (4431, 6378)]