215901756

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4349}}^1$

素因数の和:4563

約数の個数: 72

約数和(自身を含む): 627026400

約数和(自身を除く): 411124644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 394, 591, 788, 1182, 1379, 1773, 2364, 2758, 3546, 4137, 4349, 5516, 7092, 8274, 8698, 12411, 13047, 16548, 17396, 24822, 26094, 30443, 39141, 49644, 52188, 60886, 78282, 91329, 121772, 156564, 182658, 273987, 365316, 547974, 856753, 1095948, 1713506, 2570259, 3427012, 5140518, 5997271, 7710777, 10281036, 11994542, 15421554, 17991813, 23989084, 30843108, 35983626, 53975439, 71967252, 107950878, 215901756]

約数ペア:

[(1, 215901756), (2, 107950878), (3, 71967252), (4, 53975439), (6, 35983626), (7, 30843108), (9, 23989084), (12, 17991813), (14, 15421554), (18, 11994542), (21, 10281036), (28, 7710777), (36, 5997271), (42, 5140518), (63, 3427012), (84, 2570259), (126, 1713506), (197, 1095948), (252, 856753), (394, 547974), (591, 365316), (788, 273987), (1182, 182658), (1379, 156564), (1773, 121772), (2364, 91329), (2758, 78282), (3546, 60886), (4137, 52188), (4349, 49644), (5516, 39141), (7092, 30443), (8274, 26094), (8698, 24822), (12411, 17396), (13047, 16548)]