1223478

素因数分解:

$2^1\times 3^3\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 2755200

約数和(自身を除く): 1531722

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 139, 163, 278, 326, 417, 489, 834, 978, 1251, 1467, 2502, 2934, 3753, 4401, 7506, 8802, 22657, 45314, 67971, 135942, 203913, 407826, 611739, 1223478]

約数ペア:

[(1, 1223478), (2, 611739), (3, 407826), (6, 203913), (9, 135942), (18, 67971), (27, 45314), (54, 22657), (139, 8802), (163, 7506), (278, 4401), (326, 3753), (417, 2934), (489, 2502), (834, 1467), (978, 1251)]