129640688

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{2381}}^1$

素因数の和:2513

約数の個数: 40

約数和(自身を含む): 260514576

約数和(自身を除く): 130873888

約数列:

[1, 2, 4, 8, 16, 41, 82, 83, 164, 166, 328, 332, 656, 664, 1328, 2381, 3403, 4762, 6806, 9524, 13612, 19048, 27224, 38096, 54448, 97621, 195242, 197623, 390484, 395246, 780968, 790492, 1561936, 1580984, 3161968, 8102543, 16205086, 32410172, 64820344, 129640688]

約数ペア:

[(1, 129640688), (2, 64820344), (4, 32410172), (8, 16205086), (16, 8102543), (41, 3161968), (82, 1580984), (83, 1561936), (164, 790492), (166, 780968), (328, 395246), (332, 390484), (656, 197623), (664, 195242), (1328, 97621), (2381, 54448), (3403, 38096), (4762, 27224), (6806, 19048), (9524, 13612)]