64027688

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{499}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 123420000

約数和(自身を除く): 59392312

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 373, 499, 746, 998, 1492, 1996, 2984, 3992, 16039, 21457, 32078, 42914, 64156, 85828, 128312, 171656, 186127, 372254, 744508, 1489016, 8003461, 16006922, 32013844, 64027688]

約数ペア:

[(1, 64027688), (2, 32013844), (4, 16006922), (8, 8003461), (43, 1489016), (86, 744508), (172, 372254), (344, 186127), (373, 171656), (499, 128312), (746, 85828), (998, 64156), (1492, 42914), (1996, 32078), (2984, 21457), (3992, 16039)]