81018004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{10711}}^1$

素因数の和:10807

約数の個数: 24

約数和(自身を含む): 148768256

約数和(自身を除く): 67750252

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 244, 1891, 3782, 7564, 10711, 21422, 42844, 332041, 653371, 664082, 1306742, 1328164, 2613484, 20254501, 40509002, 81018004]

約数ペア:

[(1, 81018004), (2, 40509002), (4, 20254501), (31, 2613484), (61, 1328164), (62, 1306742), (122, 664082), (124, 653371), (244, 332041), (1891, 42844), (3782, 21422), (7564, 10711)]