139283248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21601}}^1$

素因数の和:21653

約数の個数: 40

約数和(自身を含む): 300008576

約数和(自身を除く): 160725328

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 21601, 43202, 86404, 172808, 280813, 345616, 561626, 669631, 1123252, 1339262, 2246504, 2678524, 4493008, 5357048, 8705203, 10714096, 17410406, 34820812, 69641624, 139283248]

約数ペア:

[(1, 139283248), (2, 69641624), (4, 34820812), (8, 17410406), (13, 10714096), (16, 8705203), (26, 5357048), (31, 4493008), (52, 2678524), (62, 2246504), (104, 1339262), (124, 1123252), (208, 669631), (248, 561626), (403, 345616), (496, 280813), (806, 172808), (1612, 86404), (3224, 43202), (6448, 21601)]