720245449

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{709}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 916070400

約数和(自身を除く): 195824951

約数列:

[1, 7, 11, 77, 79, 167, 553, 709, 869, 1169, 1837, 4963, 6083, 7799, 12859, 13193, 54593, 56011, 92351, 118403, 145123, 392077, 616121, 828821, 1015861, 1302433, 4312847, 9117031, 9353837, 65476859, 102892207, 720245449]

約数ペア:

[(1, 720245449), (7, 102892207), (11, 65476859), (77, 9353837), (79, 9117031), (167, 4312847), (553, 1302433), (709, 1015861), (869, 828821), (1169, 616121), (1837, 392077), (4963, 145123), (6083, 118403), (7799, 92351), (12859, 56011), (13193, 54593)]