139299344

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{22381}}^1$

素因数の和:22778

約数の個数: 20

約数和(自身を含む): 270598380

約数和(自身を除く): 131299036

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 22381, 44762, 89524, 179048, 358096, 8706209, 17412418, 34824836, 69649672, 139299344]

約数ペア:

[(1, 139299344), (2, 69649672), (4, 34824836), (8, 17412418), (16, 8706209), (389, 358096), (778, 179048), (1556, 89524), (3112, 44762), (6224, 22381)]