1397808524

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{703123}}^1$

素因数の和:703205

約数の個数: 24

約数和(自身を含む): 2834995968

約数和(自身を除く): 1437187444

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 703123, 1406246, 2812492, 4921861, 9843722, 19687444, 49921733, 99843466, 199686932, 349452131, 698904262, 1397808524]

約数ペア:

[(1, 1397808524), (2, 698904262), (4, 349452131), (7, 199686932), (14, 99843466), (28, 49921733), (71, 19687444), (142, 9843722), (284, 4921861), (497, 2812492), (994, 1406246), (1988, 703123)]