287398415

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1\times {\mathrm{1283}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 350562816

約数和(自身を除く): 63164401

約数列:

[1, 5, 71, 355, 631, 1283, 3155, 6415, 44801, 91093, 224005, 455465, 809573, 4047865, 57479683, 287398415]

約数ペア:

[(1, 287398415), (5, 57479683), (71, 4047865), (355, 809573), (631, 455465), (1283, 224005), (3155, 91093), (6415, 44801)]