261572168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{228647}}^1$

素因数の和:228677

約数の個数: 32

約数和(自身を含む): 576192960

約数和(自身を除く): 314620792

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 228647, 457294, 914588, 1829176, 2515117, 2972411, 5030234, 5944822, 10060468, 11889644, 20120936, 23779288, 32696521, 65393042, 130786084, 261572168]

約数ペア:

[(1, 261572168), (2, 130786084), (4, 65393042), (8, 32696521), (11, 23779288), (13, 20120936), (22, 11889644), (26, 10060468), (44, 5944822), (52, 5030234), (88, 2972411), (104, 2515117), (143, 1829176), (286, 914588), (572, 457294), (1144, 228647)]