661466

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:150

約数の個数: 24

約数和(自身を含む): 1141920

約数和(自身を除く): 480454

約数列:

[1, 2, 13, 19, 26, 38, 103, 169, 206, 247, 338, 494, 1339, 1957, 2678, 3211, 3914, 6422, 17407, 25441, 34814, 50882, 330733, 661466]

約数ペア:

[(1, 661466), (2, 330733), (13, 50882), (19, 34814), (26, 25441), (38, 17407), (103, 6422), (169, 3914), (206, 3211), (247, 2678), (338, 1957), (494, 1339)]