211371372

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{691}}^1$

素因数の和:1023

約数の個数: 72

約数和(自身を含む): 555413040

約数和(自身を除く): 344041668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 293, 348, 522, 586, 691, 879, 1044, 1172, 1382, 1758, 2073, 2637, 2764, 3516, 4146, 5274, 6219, 8292, 8497, 10548, 12438, 16994, 20039, 24876, 25491, 33988, 40078, 50982, 60117, 76473, 80156, 101964, 120234, 152946, 180351, 202463, 240468, 305892, 360702, 404926, 607389, 721404, 809852, 1214778, 1822167, 2429556, 3644334, 5871427, 7288668, 11742854, 17614281, 23485708, 35228562, 52842843, 70457124, 105685686, 211371372]

約数ペア:

[(1, 211371372), (2, 105685686), (3, 70457124), (4, 52842843), (6, 35228562), (9, 23485708), (12, 17614281), (18, 11742854), (29, 7288668), (36, 5871427), (58, 3644334), (87, 2429556), (116, 1822167), (174, 1214778), (261, 809852), (293, 721404), (348, 607389), (522, 404926), (586, 360702), (691, 305892), (879, 240468), (1044, 202463), (1172, 180351), (1382, 152946), (1758, 120234), (2073, 101964), (2637, 80156), (2764, 76473), (3516, 60117), (4146, 50982), (5274, 40078), (6219, 33988), (8292, 25491), (8497, 24876), (10548, 20039), (12438, 16994)]