81258832

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{83257}}^1$

素因数の和:83326

約数の個数: 20

約数和(自身を含む): 160021876

約数和(自身を除く): 78763044

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 83257, 166514, 333028, 666056, 1332112, 5078677, 10157354, 20314708, 40629416, 81258832]

約数ペア:

[(1, 81258832), (2, 40629416), (4, 20314708), (8, 10157354), (16, 5078677), (61, 1332112), (122, 666056), (244, 333028), (488, 166514), (976, 83257)]