12556705

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 18137088

約数和(自身を除く): 5580383

約数列:

[1, 5, 7, 31, 35, 71, 155, 163, 217, 355, 497, 815, 1085, 1141, 2201, 2485, 5053, 5705, 11005, 11573, 15407, 25265, 35371, 57865, 77035, 81011, 176855, 358763, 405055, 1793815, 2511341, 12556705]

約数ペア:

[(1, 12556705), (5, 2511341), (7, 1793815), (31, 405055), (35, 358763), (71, 176855), (155, 81011), (163, 77035), (217, 57865), (355, 35371), (497, 25265), (815, 15407), (1085, 11573), (1141, 11005), (2201, 5705), (2485, 5053)]