80901892

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{227}}^1\times {\mathrm{641}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 143448480

約数和(自身を除く): 62546588

約数列:

[1, 2, 4, 139, 227, 278, 454, 556, 641, 908, 1282, 2564, 31553, 63106, 89099, 126212, 145507, 178198, 291014, 356396, 582028, 20225473, 40450946, 80901892]

約数ペア:

[(1, 80901892), (2, 40450946), (4, 20225473), (139, 582028), (227, 356396), (278, 291014), (454, 178198), (556, 145507), (641, 126212), (908, 89099), (1282, 63106), (2564, 31553)]