66798224

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{219731}}^1$

素因数の和:219758

約数の個数: 20

約数和(自身を含む): 136233840

約数和(自身を除く): 69435616

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 219731, 439462, 878924, 1757848, 3515696, 4174889, 8349778, 16699556, 33399112, 66798224]

約数ペア:

[(1, 66798224), (2, 33399112), (4, 16699556), (8, 8349778), (16, 4174889), (19, 3515696), (38, 1757848), (76, 878924), (152, 439462), (304, 219731)]