81829772

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1106

約数の個数: 36

約数和(自身を含む): 154418544

約数和(自身を除く): 72588772

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 289, 578, 997, 1156, 1207, 1994, 2414, 3988, 4828, 16949, 20519, 33898, 41038, 67796, 70787, 82076, 141574, 283148, 288133, 576266, 1152532, 1203379, 2406758, 4813516, 20457443, 40914886, 81829772]

約数ペア:

[(1, 81829772), (2, 40914886), (4, 20457443), (17, 4813516), (34, 2406758), (68, 1203379), (71, 1152532), (142, 576266), (284, 288133), (289, 283148), (578, 141574), (997, 82076), (1156, 70787), (1207, 67796), (1994, 41038), (2414, 33898), (3988, 20519), (4828, 16949)]