81917458

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{701}}^1$

素因数の和:1218

約数の個数: 32

約数和(自身を含む): 149205888

約数和(自身を除く): 67288430

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 491, 701, 982, 1402, 3437, 4907, 6874, 8347, 9814, 11917, 16694, 23834, 58429, 83419, 116858, 166838, 344191, 688382, 2409337, 4818674, 5851247, 11702494, 40958729, 81917458]

約数ペア:

[(1, 81917458), (2, 40958729), (7, 11702494), (14, 5851247), (17, 4818674), (34, 2409337), (119, 688382), (238, 344191), (491, 166838), (701, 116858), (982, 83419), (1402, 58429), (3437, 23834), (4907, 16694), (6874, 11917), (8347, 9814)]