661257904535

素因数分解:

$5^1\times {\mathrm{823}}^1\times {\mathrm{839}}^1\times {\mathrm{191531}}^1$

素因数の和:193198

約数の個数: 16

約数和(自身を含む): 795424734720

約数和(自身を除く): 134166830185

約数列:

[1, 5, 823, 839, 4115, 4195, 191531, 690497, 957655, 3452485, 157630013, 160694509, 788150065, 803472545, 132251580907, 661257904535]

約数ペア:

[(1, 661257904535), (5, 132251580907), (823, 803472545), (839, 788150065), (4115, 160694509), (4195, 157630013), (191531, 3452485), (690497, 957655)]