81394764

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1933}}^1$

素因数の和:1991

約数の個数: 72

約数和(自身を含む): 216066480

約数和(自身を除く): 134671716

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 66, 87, 116, 121, 132, 174, 242, 319, 348, 363, 484, 638, 726, 957, 1276, 1452, 1914, 1933, 3509, 3828, 3866, 5799, 7018, 7732, 10527, 11598, 14036, 21054, 21263, 23196, 42108, 42526, 56057, 63789, 85052, 112114, 127578, 168171, 224228, 233893, 255156, 336342, 467786, 616627, 672684, 701679, 935572, 1233254, 1403358, 1849881, 2466508, 2806716, 3699762, 6782897, 7399524, 13565794, 20348691, 27131588, 40697382, 81394764]

約数ペア:

[(1, 81394764), (2, 40697382), (3, 27131588), (4, 20348691), (6, 13565794), (11, 7399524), (12, 6782897), (22, 3699762), (29, 2806716), (33, 2466508), (44, 1849881), (58, 1403358), (66, 1233254), (87, 935572), (116, 701679), (121, 672684), (132, 616627), (174, 467786), (242, 336342), (319, 255156), (348, 233893), (363, 224228), (484, 168171), (638, 127578), (726, 112114), (957, 85052), (1276, 63789), (1452, 56057), (1914, 42526), (1933, 42108), (3509, 23196), (3828, 21263), (3866, 21054), (5799, 14036), (7018, 11598), (7732, 10527)]