81883396

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71327}}^1$

素因数の和:71379

約数の個数: 24

約数和(自身を含む): 167763456

約数和(自身を除く): 85880060

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 71327, 142654, 285308, 499289, 998578, 1997156, 2924407, 5848814, 11697628, 20470849, 40941698, 81883396]

約数ペア:

[(1, 81883396), (2, 40941698), (4, 20470849), (7, 11697628), (14, 5848814), (28, 2924407), (41, 1997156), (82, 998578), (164, 499289), (287, 285308), (574, 142654), (1148, 71327)]