123639012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{490631}}^1$

素因数の和:490648

約数の個数: 36

約数和(自身を含む): 357180096

約数和(自身を除く): 233541084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 490631, 981262, 1471893, 1962524, 2943786, 3434417, 4415679, 5887572, 6868834, 8831358, 10303251, 13737668, 17662716, 20606502, 30909753, 41213004, 61819506, 123639012]

約数ペア:

[(1, 123639012), (2, 61819506), (3, 41213004), (4, 30909753), (6, 20606502), (7, 17662716), (9, 13737668), (12, 10303251), (14, 8831358), (18, 6868834), (21, 5887572), (28, 4415679), (36, 3434417), (42, 2943786), (63, 1962524), (84, 1471893), (126, 981262), (252, 490631)]