138891265

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{1637}}^1$

素因数の和:1952

約数の個数: 16

約数和(自身を含む): 169827840

約数和(自身を除く): 30936575

約数列:

[1, 5, 71, 239, 355, 1195, 1637, 8185, 16969, 84845, 116227, 391243, 581135, 1956215, 27778253, 138891265]

約数ペア:

[(1, 138891265), (5, 27778253), (71, 1956215), (239, 581135), (355, 391243), (1195, 116227), (1637, 84845), (8185, 16969)]