197907556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{642557}}^1$

素因数の和:642579

約数の個数: 24

約数和(自身を含む): 431798976

約数和(自身を除く): 233891420

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 642557, 1285114, 2570228, 4497899, 7068127, 8995798, 14136254, 17991596, 28272508, 49476889, 98953778, 197907556]

約数ペア:

[(1, 197907556), (2, 98953778), (4, 49476889), (7, 28272508), (11, 17991596), (14, 14136254), (22, 8995798), (28, 7068127), (44, 4497899), (77, 2570228), (154, 1285114), (308, 642557)]