86974954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{10163}}^1$

素因数の和:10565

約数の個数: 16

約数和(自身を含む): 142702560

約数和(自身を除く): 55727606

約数列:

[1, 2, 11, 22, 389, 778, 4279, 8558, 10163, 20326, 111793, 223586, 3953407, 7906814, 43487477, 86974954]

約数ペア:

[(1, 86974954), (2, 43487477), (11, 7906814), (22, 3953407), (389, 223586), (778, 111793), (4279, 20326), (8558, 10163)]