81406982

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5479}}^1$

素因数の和:5540

約数の個数: 32

約数和(自身を含む): 142041600

約数和(自身を除く): 60634618

約数列:

[1, 2, 17, 19, 23, 34, 38, 46, 323, 391, 437, 646, 782, 874, 5479, 7429, 10958, 14858, 93143, 104101, 126017, 186286, 208202, 252034, 1769717, 2142289, 2394323, 3539434, 4284578, 4788646, 40703491, 81406982]

約数ペア:

[(1, 81406982), (2, 40703491), (17, 4788646), (19, 4284578), (23, 3539434), (34, 2394323), (38, 2142289), (46, 1769717), (323, 252034), (391, 208202), (437, 186286), (646, 126017), (782, 104101), (874, 93143), (5479, 14858), (7429, 10958)]