16989401

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:106

約数の個数: 32

約数和(自身を含む): 21705600

約数和(自身を除く): 4716199

約数列:

[1, 11, 13, 19, 37, 143, 169, 209, 247, 407, 481, 703, 1859, 2197, 2717, 3211, 5291, 6253, 7733, 9139, 24167, 35321, 41743, 68783, 81289, 100529, 118807, 459173, 894179, 1306877, 1544491, 16989401]

約数ペア:

[(1, 16989401), (11, 1544491), (13, 1306877), (19, 894179), (37, 459173), (143, 118807), (169, 100529), (209, 81289), (247, 68783), (407, 41743), (481, 35321), (703, 24167), (1859, 9139), (2197, 7733), (2717, 6253), (3211, 5291)]