490968478

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{569}}^1$

素因数の和:1033

約数の個数: 64

約数和(自身を含む): 992839680

約数和(自身を除く): 501871202

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 431, 569, 862, 1001, 1138, 2002, 3017, 3983, 4741, 5603, 6034, 6259, 7397, 7966, 9482, 11206, 12518, 14794, 33187, 39221, 43813, 51779, 61633, 66374, 78442, 81367, 87626, 103558, 123266, 162734, 245239, 431431, 490478, 569569, 862862, 1139138, 1716673, 2697629, 3188107, 3433346, 5395258, 6376214, 18883403, 22316749, 35069177, 37766806, 44633498, 70138354, 245484239, 490968478]

約数ペア:

[(1, 490968478), (2, 245484239), (7, 70138354), (11, 44633498), (13, 37766806), (14, 35069177), (22, 22316749), (26, 18883403), (77, 6376214), (91, 5395258), (143, 3433346), (154, 3188107), (182, 2697629), (286, 1716673), (431, 1139138), (569, 862862), (862, 569569), (1001, 490478), (1138, 431431), (2002, 245239), (3017, 162734), (3983, 123266), (4741, 103558), (5603, 87626), (6034, 81367), (6259, 78442), (7397, 66374), (7966, 61633), (9482, 51779), (11206, 43813), (12518, 39221), (14794, 33187)]