31356710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 71069184

約数和(自身を除く): 39712474

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 193, 211, 385, 386, 422, 770, 965, 1055, 1351, 1477, 1930, 2110, 2123, 2321, 2702, 2954, 4246, 4642, 6755, 7385, 10615, 11605, 13510, 14770, 14861, 16247, 21230, 23210, 29722, 32494, 40723, 74305, 81235, 81446, 148610, 162470, 203615, 285061, 407230, 447953, 570122, 895906, 1425305, 2239765, 2850610, 3135671, 4479530, 6271342, 15678355, 31356710]

約数ペア:

[(1, 31356710), (2, 15678355), (5, 6271342), (7, 4479530), (10, 3135671), (11, 2850610), (14, 2239765), (22, 1425305), (35, 895906), (55, 570122), (70, 447953), (77, 407230), (110, 285061), (154, 203615), (193, 162470), (211, 148610), (385, 81446), (386, 81235), (422, 74305), (770, 40723), (965, 32494), (1055, 29722), (1351, 23210), (1477, 21230), (1930, 16247), (2110, 14861), (2123, 14770), (2321, 13510), (2702, 11605), (2954, 10615), (4246, 7385), (4642, 6755)]