28370216

素因数分解:

$2^3\times 7^5\times {\mathrm{211}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 62353440

約数和(自身を除く): 33983224

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 211, 343, 392, 422, 686, 844, 1372, 1477, 1688, 2401, 2744, 2954, 4802, 5908, 9604, 10339, 11816, 16807, 19208, 20678, 33614, 41356, 67228, 72373, 82712, 134456, 144746, 289492, 506611, 578984, 1013222, 2026444, 3546277, 4052888, 7092554, 14185108, 28370216]

約数ペア:

[(1, 28370216), (2, 14185108), (4, 7092554), (7, 4052888), (8, 3546277), (14, 2026444), (28, 1013222), (49, 578984), (56, 506611), (98, 289492), (196, 144746), (211, 134456), (343, 82712), (392, 72373), (422, 67228), (686, 41356), (844, 33614), (1372, 20678), (1477, 19208), (1688, 16807), (2401, 11816), (2744, 10339), (2954, 9604), (4802, 5908)]