9671990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 18095616

約数和(自身を除く): 8423626

約数列:

[1, 2, 5, 10, 43, 83, 86, 166, 215, 271, 415, 430, 542, 830, 1355, 2710, 3569, 7138, 11653, 17845, 22493, 23306, 35690, 44986, 58265, 112465, 116530, 224930, 967199, 1934398, 4835995, 9671990]

約数ペア:

[(1, 9671990), (2, 4835995), (5, 1934398), (10, 967199), (43, 224930), (83, 116530), (86, 112465), (166, 58265), (215, 44986), (271, 35690), (415, 23306), (430, 22493), (542, 17845), (830, 11653), (1355, 7138), (2710, 3569)]