81121484

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{2281}}^1$

素因数の和:2825

約数の個数: 24

約数和(自身を含む): 150666768

約数和(自身を除く): 69545284

約数列:

[1, 2, 4, 17, 34, 68, 523, 1046, 2092, 2281, 4562, 8891, 9124, 17782, 35564, 38777, 77554, 155108, 1192963, 2385926, 4771852, 20280371, 40560742, 81121484]

約数ペア:

[(1, 81121484), (2, 40560742), (4, 20280371), (17, 4771852), (34, 2385926), (68, 1192963), (523, 155108), (1046, 77554), (2092, 38777), (2281, 35564), (4562, 17782), (8891, 9124)]