1377000005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1\times {\mathrm{4111}}^1$

素因数の和:6308

約数の個数: 16

約数和(自身を含む): 1706907648

約数和(自身を除く): 329907643

約数列:

[1, 5, 31, 155, 2161, 4111, 10805, 20555, 66991, 127441, 334955, 637205, 8883871, 44419355, 275400001, 1377000005]

約数ペア:

[(1, 1377000005), (5, 275400001), (31, 44419355), (155, 8883871), (2161, 637205), (4111, 334955), (10805, 127441), (20555, 66991)]