31439290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1069}}^1$

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 60322320

約数和(自身を除く): 28883030

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 173, 346, 865, 1069, 1730, 2138, 2941, 5345, 5882, 10690, 14705, 18173, 29410, 36346, 90865, 181730, 184937, 369874, 924685, 1849370, 3143929, 6287858, 15719645, 31439290]

約数ペア:

[(1, 31439290), (2, 15719645), (5, 6287858), (10, 3143929), (17, 1849370), (34, 924685), (85, 369874), (170, 184937), (173, 181730), (346, 90865), (865, 36346), (1069, 29410), (1730, 18173), (2138, 14705), (2941, 10690), (5345, 5882)]