1987381

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 2352960

約数和(自身を除く): 365579

約数列:

[1, 11, 19, 37, 209, 257, 407, 703, 2827, 4883, 7733, 9509, 53713, 104599, 180671, 1987381]

約数ペア:

[(1, 1987381), (11, 180671), (19, 104599), (37, 53713), (209, 9509), (257, 7733), (407, 4883), (703, 2827)]