997976

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 2177280

約数和(自身を除く): 1179304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 251, 284, 497, 502, 568, 994, 1004, 1757, 1988, 2008, 3514, 3976, 7028, 14056, 17821, 35642, 71284, 124747, 142568, 249494, 498988, 997976]

約数ペア:

[(1, 997976), (2, 498988), (4, 249494), (7, 142568), (8, 124747), (14, 71284), (28, 35642), (56, 17821), (71, 14056), (142, 7028), (251, 3976), (284, 3514), (497, 2008), (502, 1988), (568, 1757), (994, 1004)]