25438518

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{201893}}^1$

素因数の和:201908

約数の個数: 24

約数和(自身を含む): 62990928

約数和(自身を除く): 37552410

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 201893, 403786, 605679, 1211358, 1413251, 1817037, 2826502, 3634074, 4239753, 8479506, 12719259, 25438518]

約数ペア:

[(1, 25438518), (2, 12719259), (3, 8479506), (6, 4239753), (7, 3634074), (9, 2826502), (14, 1817037), (18, 1413251), (21, 1211358), (42, 605679), (63, 403786), (126, 201893)]