71870885

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 87436800

約数和(自身を除く): 15565915

約数列:

[1, 5, 137, 239, 439, 685, 1195, 2195, 32743, 60143, 104921, 163715, 300715, 524605, 14374177, 71870885]

約数ペア:

[(1, 71870885), (5, 14374177), (137, 524605), (239, 300715), (439, 163715), (685, 104921), (1195, 60143), (2195, 32743)]