207338417

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 252806400

約数和(自身を除く): 45467983

約数列:

[1, 11, 13, 37, 143, 149, 263, 407, 481, 1639, 1937, 2893, 3419, 5291, 5513, 9731, 21307, 37609, 39187, 60643, 71669, 107041, 126503, 431057, 509431, 788359, 1391533, 1449919, 5603741, 15949109, 18848947, 207338417]

約数ペア:

[(1, 207338417), (11, 18848947), (13, 15949109), (37, 5603741), (143, 1449919), (149, 1391533), (263, 788359), (407, 509431), (481, 431057), (1639, 126503), (1937, 107041), (2893, 71669), (3419, 60643), (5291, 39187), (5513, 37609), (9731, 21307)]