197861735

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{9137}}^1$

素因数の和:9274

約数の個数: 16

約数和(自身を含む): 244752192

約数和(自身を除く): 46890457

約数列:

[1, 5, 61, 71, 305, 355, 4331, 9137, 21655, 45685, 557357, 648727, 2786785, 3243635, 39572347, 197861735]

約数ペア:

[(1, 197861735), (5, 39572347), (61, 3243635), (71, 2786785), (305, 648727), (355, 557357), (4331, 45685), (9137, 21655)]