645913016

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{281321}}^1$

素因数の和:281375

約数の個数: 32

約数和(自身を含む): 1417862880

約数和(自身を除く): 771949864

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 281321, 562642, 1125284, 1969247, 2250568, 3938494, 7876988, 11534161, 15753976, 23068322, 46136644, 80739127, 92273288, 161478254, 322956508, 645913016]

約数ペア:

[(1, 645913016), (2, 322956508), (4, 161478254), (7, 92273288), (8, 80739127), (14, 46136644), (28, 23068322), (41, 15753976), (56, 11534161), (82, 7876988), (164, 3938494), (287, 2250568), (328, 1969247), (574, 1125284), (1148, 562642), (2296, 281321)]