820991522

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{443}}^1\times {\mathrm{5483}}^1$

素因数の和:5954

約数の個数: 24

約数和(自身を含む): 1336757904

約数和(自身を除く): 515766382

約数列:

[1, 2, 13, 26, 169, 338, 443, 886, 5483, 5759, 10966, 11518, 71279, 74867, 142558, 149734, 926627, 1853254, 2428969, 4857938, 31576597, 63153194, 410495761, 820991522]

約数ペア:

[(1, 820991522), (2, 410495761), (13, 63153194), (26, 31576597), (169, 4857938), (338, 2428969), (443, 1853254), (886, 926627), (5483, 149734), (5759, 142558), (10966, 74867), (11518, 71279)]