180981424

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{66931}}^1$

素因数の和:66965

約数の個数: 30

約数和(自身を含む): 379705236

約数和(自身を除く): 198723812

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 66931, 133862, 267724, 535448, 870103, 1070896, 1740206, 3480412, 6960824, 11311339, 13921648, 22622678, 45245356, 90490712, 180981424]

約数ペア:

[(1, 180981424), (2, 90490712), (4, 45245356), (8, 22622678), (13, 13921648), (16, 11311339), (26, 6960824), (52, 3480412), (104, 1740206), (169, 1070896), (208, 870103), (338, 535448), (676, 267724), (1352, 133862), (2704, 66931)]