1228788

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 3538080

約数和(自身を除く): 2309292

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 44, 58, 66, 87, 99, 107, 116, 132, 174, 198, 214, 261, 319, 321, 348, 396, 428, 522, 638, 642, 957, 963, 1044, 1177, 1276, 1284, 1914, 1926, 2354, 2871, 3103, 3531, 3828, 3852, 4708, 5742, 6206, 7062, 9309, 10593, 11484, 12412, 14124, 18618, 21186, 27927, 34133, 37236, 42372, 55854, 68266, 102399, 111708, 136532, 204798, 307197, 409596, 614394, 1228788]

約数ペア:

[(1, 1228788), (2, 614394), (3, 409596), (4, 307197), (6, 204798), (9, 136532), (11, 111708), (12, 102399), (18, 68266), (22, 55854), (29, 42372), (33, 37236), (36, 34133), (44, 27927), (58, 21186), (66, 18618), (87, 14124), (99, 12412), (107, 11484), (116, 10593), (132, 9309), (174, 7062), (198, 6206), (214, 5742), (261, 4708), (319, 3852), (321, 3828), (348, 3531), (396, 3103), (428, 2871), (522, 2354), (638, 1926), (642, 1914), (957, 1284), (963, 1276), (1044, 1177)]