8991994

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:606

約数の個数: 24

約数和(自身を含む): 15058260

約数和(自身を除く): 6066266

約数列:

[1, 2, 11, 22, 73, 121, 146, 242, 509, 803, 1018, 1606, 5599, 8833, 11198, 17666, 37157, 61589, 74314, 123178, 408727, 817454, 4495997, 8991994]

約数ペア:

[(1, 8991994), (2, 4495997), (11, 817454), (22, 408727), (73, 123178), (121, 74314), (146, 61589), (242, 37157), (509, 17666), (803, 11198), (1018, 8833), (1606, 5599)]