85891628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{2029}}^1$

素因数の和:2609

約数の個数: 24

約数和(自身を含む): 158583600

約数和(自身を除く): 72691972

約数列:

[1, 2, 4, 19, 38, 76, 557, 1114, 2029, 2228, 4058, 8116, 10583, 21166, 38551, 42332, 77102, 154204, 1130153, 2260306, 4520612, 21472907, 42945814, 85891628]

約数ペア:

[(1, 85891628), (2, 42945814), (4, 21472907), (19, 4520612), (38, 2260306), (76, 1130153), (557, 154204), (1114, 77102), (2029, 42332), (2228, 38551), (4058, 21166), (8116, 10583)]