1388330042

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{719}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 2344204800

約数和(自身を除く): 955874758

約数列:

[1, 2, 11, 22, 79, 101, 121, 158, 202, 242, 719, 869, 1111, 1438, 1738, 2222, 7909, 7979, 9559, 12221, 15818, 15958, 19118, 24442, 56801, 72619, 86999, 87769, 113602, 145238, 173998, 175538, 624811, 798809, 965459, 1249622, 1597618, 1930918, 5736901, 6872921, 8786899, 11473802, 13745842, 17573798, 63105911, 126211822, 694165021, 1388330042]

約数ペア:

[(1, 1388330042), (2, 694165021), (11, 126211822), (22, 63105911), (79, 17573798), (101, 13745842), (121, 11473802), (158, 8786899), (202, 6872921), (242, 5736901), (719, 1930918), (869, 1597618), (1111, 1249622), (1438, 965459), (1738, 798809), (2222, 624811), (7909, 175538), (7979, 173998), (9559, 145238), (12221, 113602), (15818, 87769), (15958, 86999), (19118, 72619), (24442, 56801)]