78821956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{751}}^1\times {\mathrm{1381}}^1$

素因数の和:2155

約数の個数: 24

約数和(自身を含む): 145496960

約数和(自身を除く): 66675004

約数列:

[1, 2, 4, 19, 38, 76, 751, 1381, 1502, 2762, 3004, 5524, 14269, 26239, 28538, 52478, 57076, 104956, 1037131, 2074262, 4148524, 19705489, 39410978, 78821956]

約数ペア:

[(1, 78821956), (2, 39410978), (4, 19705489), (19, 4148524), (38, 2074262), (76, 1037131), (751, 104956), (1381, 57076), (1502, 52478), (2762, 28538), (3004, 26239), (5524, 14269)]