25191397

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 33684480

約数和(自身を除く): 8493083

約数列:

[1, 7, 11, 19, 67, 77, 133, 209, 257, 469, 737, 1273, 1463, 1799, 2827, 4883, 5159, 8911, 14003, 17219, 19789, 34181, 53713, 98021, 120533, 189409, 327161, 375991, 1325863, 2290127, 3598771, 25191397]

約数ペア:

[(1, 25191397), (7, 3598771), (11, 2290127), (19, 1325863), (67, 375991), (77, 327161), (133, 189409), (209, 120533), (257, 98021), (469, 53713), (737, 34181), (1273, 19789), (1463, 17219), (1799, 14003), (2827, 8911), (4883, 5159)]