16440263

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1741}}^1$

素因数の和:1838

約数の個数: 16

約数和(自身を含む): 20067840

約数和(自身を除く): 3627577

約数列:

[1, 7, 19, 71, 133, 497, 1349, 1741, 9443, 12187, 33079, 123611, 231553, 865277, 2348609, 16440263]

約数ペア:

[(1, 16440263), (7, 2348609), (19, 865277), (71, 231553), (133, 123611), (497, 33079), (1349, 12187), (1741, 9443)]