67887815

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{2161}}^1$

素因数の和:2330

約数の個数: 16

約数和(自身を含む): 83643456

約数和(自身を除く): 15755641

約数列:

[1, 5, 61, 103, 305, 515, 2161, 6283, 10805, 31415, 131821, 222583, 659105, 1112915, 13577563, 67887815]

約数ペア:

[(1, 67887815), (5, 13577563), (61, 1112915), (103, 659105), (305, 222583), (515, 131821), (2161, 31415), (6283, 10805)]