66507376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{319747}}^1$

素因数の和:319768

約数の個数: 20

約数和(自身を含む): 138770632

約数和(自身を除く): 72263256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 319747, 639494, 1278988, 2557976, 4156711, 5115952, 8313422, 16626844, 33253688, 66507376]

約数ペア:

[(1, 66507376), (2, 33253688), (4, 16626844), (8, 8313422), (13, 5115952), (16, 4156711), (26, 2557976), (52, 1278988), (104, 639494), (208, 319747)]