9388990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72223}}^1$

素因数の和:72243

約数の個数: 16

約数和(自身を含む): 18200448

約数和(自身を除く): 8811458

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 72223, 144446, 361115, 722230, 938899, 1877798, 4694495, 9388990]

約数ペア:

[(1, 9388990), (2, 4694495), (5, 1877798), (10, 938899), (13, 722230), (26, 361115), (65, 144446), (130, 72223)]