28356702970

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{7071497}}^1$

素因数の和:7071905

約数の個数: 16

約数和(自身を含む): 51169359528

約数和(自身を除く): 22812656558

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 7071497, 14142994, 35357485, 70714970, 2835670297, 5671340594, 14178351485, 28356702970]

約数ペア:

[(1, 28356702970), (2, 14178351485), (5, 5671340594), (10, 2835670297), (401, 70714970), (802, 35357485), (2005, 14142994), (4010, 7071497)]