217249999484

素因数分解:

$2^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{20472107}}^1$

素因数の和:20472497

約数の個数: 24

約数和(自身を含む): 435646458240

約数和(自身を除く): 218396458756

約数列:

[1, 2, 4, 7, 14, 28, 379, 758, 1516, 2653, 5306, 10612, 20472107, 40944214, 81888428, 143304749, 286609498, 573218996, 7758928553, 15517857106, 31035714212, 54312499871, 108624999742, 217249999484]

約数ペア:

[(1, 217249999484), (2, 108624999742), (4, 54312499871), (7, 31035714212), (14, 15517857106), (28, 7758928553), (379, 573218996), (758, 286609498), (1516, 143304749), (2653, 81888428), (5306, 40944214), (10612, 20472107)]