81225716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{673}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 168036288

約数和(自身を除く): 86810572

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 211, 286, 422, 572, 673, 844, 1346, 2321, 2692, 2743, 4642, 5486, 7403, 8749, 9284, 10972, 14806, 17498, 29612, 30173, 34996, 60346, 96239, 120692, 142003, 192478, 284006, 384956, 568012, 1562033, 1846039, 3124066, 3692078, 6248132, 7384156, 20306429, 40612858, 81225716]

約数ペア:

[(1, 81225716), (2, 40612858), (4, 20306429), (11, 7384156), (13, 6248132), (22, 3692078), (26, 3124066), (44, 1846039), (52, 1562033), (143, 568012), (211, 384956), (286, 284006), (422, 192478), (572, 142003), (673, 120692), (844, 96239), (1346, 60346), (2321, 34996), (2692, 30173), (2743, 29612), (4642, 17498), (5486, 14806), (7403, 10972), (8749, 9284)]