398005887385

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1\times {\mathrm{1429}}^1\times {\mathrm{2621}}^1$

素因数の和:4509

約数の個数: 32

約数和(自身を含む): 488359666080

約数和(自身を除く): 90353778695

約数列:

[1, 5, 53, 265, 401, 1429, 2005, 2621, 7145, 13105, 21253, 75737, 106265, 138913, 378685, 573029, 694565, 1051021, 2865145, 3745409, 5255105, 18727045, 30370537, 55704113, 151852685, 198506677, 278520565, 992533385, 1501909009, 7509545045, 79601177477, 398005887385]

約数ペア:

[(1, 398005887385), (5, 79601177477), (53, 7509545045), (265, 1501909009), (401, 992533385), (1429, 278520565), (2005, 198506677), (2621, 151852685), (7145, 55704113), (13105, 30370537), (21253, 18727045), (75737, 5255105), (106265, 3745409), (138913, 2865145), (378685, 1051021), (573029, 694565)]