28373618

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 55738368

約数和(自身を除く): 27364750

約数列:

[1, 2, 7, 13, 14, 26, 31, 47, 62, 91, 94, 107, 182, 214, 217, 329, 403, 434, 611, 658, 749, 806, 1222, 1391, 1457, 1498, 2782, 2821, 2914, 3317, 4277, 5029, 5642, 6634, 8554, 9737, 10058, 10199, 18941, 19474, 20398, 23219, 35203, 37882, 43121, 46438, 65377, 70406, 86242, 130754, 132587, 155899, 265174, 301847, 311798, 457639, 603694, 915278, 1091293, 2026687, 2182586, 4053374, 14186809, 28373618]

約数ペア:

[(1, 28373618), (2, 14186809), (7, 4053374), (13, 2182586), (14, 2026687), (26, 1091293), (31, 915278), (47, 603694), (62, 457639), (91, 311798), (94, 301847), (107, 265174), (182, 155899), (214, 132587), (217, 130754), (329, 86242), (403, 70406), (434, 65377), (611, 46438), (658, 43121), (749, 37882), (806, 35203), (1222, 23219), (1391, 20398), (1457, 19474), (1498, 18941), (2782, 10199), (2821, 10058), (2914, 9737), (3317, 8554), (4277, 6634), (5029, 5642)]