2781130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 5531328

約数和(自身を除く): 2750198

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 193, 262, 386, 655, 965, 1310, 1441, 1930, 2123, 2882, 4246, 7205, 10615, 14410, 21230, 25283, 50566, 126415, 252830, 278113, 556226, 1390565, 2781130]

約数ペア:

[(1, 2781130), (2, 1390565), (5, 556226), (10, 278113), (11, 252830), (22, 126415), (55, 50566), (110, 25283), (131, 21230), (193, 14410), (262, 10615), (386, 7205), (655, 4246), (965, 2882), (1310, 2123), (1441, 1930)]