12974650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19961}}^1$

素因数の和:19986

約数の個数: 24

約数和(自身を含む): 25990524

約数和(自身を除く): 13015874

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 19961, 39922, 99805, 199610, 259493, 499025, 518986, 998050, 1297465, 2594930, 6487325, 12974650]

約数ペア:

[(1, 12974650), (2, 6487325), (5, 2594930), (10, 1297465), (13, 998050), (25, 518986), (26, 499025), (50, 259493), (65, 199610), (130, 99805), (325, 39922), (650, 19961)]