28953316

素因数分解:

$2^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 60480000

約数和(自身を除く): 31526684

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 343, 449, 658, 686, 898, 1316, 1372, 1796, 2303, 3143, 4606, 6286, 9212, 12572, 16121, 21103, 22001, 32242, 42206, 44002, 64484, 84412, 88004, 147721, 154007, 295442, 308014, 590884, 616028, 1034047, 2068094, 4136188, 7238329, 14476658, 28953316]

約数ペア:

[(1, 28953316), (2, 14476658), (4, 7238329), (7, 4136188), (14, 2068094), (28, 1034047), (47, 616028), (49, 590884), (94, 308014), (98, 295442), (188, 154007), (196, 147721), (329, 88004), (343, 84412), (449, 64484), (658, 44002), (686, 42206), (898, 32242), (1316, 22001), (1372, 21103), (1796, 16121), (2303, 12572), (3143, 9212), (4606, 6286)]