8172638

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:611

約数の個数: 16

約数和(自身を含む): 12536160

約数和(自身を除く): 4363522

約数列:

[1, 2, 97, 103, 194, 206, 409, 818, 9991, 19982, 39673, 42127, 79346, 84254, 4086319, 8172638]

約数ペア:

[(1, 8172638), (2, 4086319), (97, 84254), (103, 79346), (194, 42127), (206, 39673), (409, 19982), (818, 9991)]