28357831281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{129589}}^1$

素因数の和:129817

約数の個数: 32

約数和(自身を含む): 42265000960

約数和(自身を除く): 13907169679

約数列:

[1, 3, 13, 31, 39, 93, 181, 403, 543, 1209, 2353, 5611, 7059, 16833, 72943, 129589, 218829, 388767, 1684657, 4017259, 5053971, 12051777, 23455609, 52224367, 70366827, 156673101, 304922917, 727123879, 914768751, 2181371637, 9452610427, 28357831281]

約数ペア:

[(1, 28357831281), (3, 9452610427), (13, 2181371637), (31, 914768751), (39, 727123879), (93, 304922917), (181, 156673101), (403, 70366827), (543, 52224367), (1209, 23455609), (2353, 12051777), (5611, 5053971), (7059, 4017259), (16833, 1684657), (72943, 388767), (129589, 218829)]