343991930

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1\times {\mathrm{977}}^1$

素因数の和:1378

約数の個数: 32

約数和(自身を含む): 626772816

約数和(自身を除く): 282780886

約数列:

[1, 2, 5, 10, 137, 257, 274, 514, 685, 977, 1285, 1370, 1954, 2570, 4885, 9770, 35209, 70418, 133849, 176045, 251089, 267698, 352090, 502178, 669245, 1255445, 1338490, 2510890, 34399193, 68798386, 171995965, 343991930]

約数ペア:

[(1, 343991930), (2, 171995965), (5, 68798386), (10, 34399193), (137, 2510890), (257, 1338490), (274, 1255445), (514, 669245), (685, 502178), (977, 352090), (1285, 267698), (1370, 251089), (1954, 176045), (2570, 133849), (4885, 70418), (9770, 35209)]