9991370

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 18817920

約数和(自身を除く): 8826550

約数列:

[1, 2, 5, 10, 29, 58, 131, 145, 262, 263, 290, 526, 655, 1310, 1315, 2630, 3799, 7598, 7627, 15254, 18995, 34453, 37990, 38135, 68906, 76270, 172265, 344530, 999137, 1998274, 4995685, 9991370]

約数ペア:

[(1, 9991370), (2, 4995685), (5, 1998274), (10, 999137), (29, 344530), (58, 172265), (131, 76270), (145, 68906), (262, 38135), (263, 37990), (290, 34453), (526, 18995), (655, 15254), (1310, 7627), (1315, 7598), (2630, 3799)]