66978844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{13873}}^1$

素因数の和:13965

約数の個数: 24

約数和(自身を含む): 125864928

約数和(自身を除く): 58886084

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4828, 13873, 27746, 55492, 235841, 471682, 943364, 984983, 1969966, 3939932, 16744711, 33489422, 66978844]

約数ペア:

[(1, 66978844), (2, 33489422), (4, 16744711), (17, 3939932), (34, 1969966), (68, 984983), (71, 943364), (142, 471682), (284, 235841), (1207, 55492), (2414, 27746), (4828, 13873)]