861875644

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 1862784000

約数和(自身を除く): 1000908356

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 89, 109, 133, 167, 178, 218, 266, 334, 356, 436, 532, 623, 668, 763, 1169, 1246, 1526, 1691, 2071, 2338, 2492, 3052, 3173, 3382, 4142, 4676, 6346, 6764, 8284, 9701, 11837, 12692, 14497, 14863, 18203, 19402, 22211, 23674, 28994, 29726, 36406, 38804, 44422, 47348, 57988, 59452, 67907, 72812, 88844, 104041, 127421, 135814, 184319, 208082, 254842, 271628, 282397, 345857, 368638, 416164, 509684, 564794, 691714, 737276, 1129588, 1290233, 1383428, 1620067, 1976779, 2420999, 2580466, 3240134, 3953558, 4841998, 5160932, 6480268, 7907116, 9683996, 11340469, 22680938, 30781273, 45361876, 61562546, 123125092, 215468911, 430937822, 861875644]

約数ペア:

[(1, 861875644), (2, 430937822), (4, 215468911), (7, 123125092), (14, 61562546), (19, 45361876), (28, 30781273), (38, 22680938), (76, 11340469), (89, 9683996), (109, 7907116), (133, 6480268), (167, 5160932), (178, 4841998), (218, 3953558), (266, 3240134), (334, 2580466), (356, 2420999), (436, 1976779), (532, 1620067), (623, 1383428), (668, 1290233), (763, 1129588), (1169, 737276), (1246, 691714), (1526, 564794), (1691, 509684), (2071, 416164), (2338, 368638), (2492, 345857), (3052, 282397), (3173, 271628), (3382, 254842), (4142, 208082), (4676, 184319), (6346, 135814), (6764, 127421), (8284, 104041), (9701, 88844), (11837, 72812), (12692, 67907), (14497, 59452), (14863, 57988), (18203, 47348), (19402, 44422), (22211, 38804), (23674, 36406), (28994, 29726)]