251569188

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 711075456

約数和(自身を除く): 459506268

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 67, 71, 78, 113, 117, 134, 142, 156, 201, 213, 226, 234, 268, 284, 339, 402, 426, 452, 468, 603, 639, 678, 804, 852, 871, 923, 1017, 1206, 1278, 1356, 1469, 1742, 1846, 2034, 2412, 2556, 2613, 2769, 2938, 3484, 3692, 4068, 4407, 4757, 5226, 5538, 5876, 7571, 7839, 8023, 8307, 8814, 9514, 10452, 11076, 13221, 14271, 15142, 15678, 16046, 16614, 17628, 19028, 22713, 24069, 26442, 28542, 30284, 31356, 32092, 33228, 42813, 45426, 48138, 52884, 57084, 61841, 68139, 72207, 85626, 90852, 96276, 98423, 104299, 123682, 136278, 144414, 171252, 185523, 196846, 208598, 247364, 272556, 288828, 295269, 312897, 371046, 393692, 417196, 537541, 556569, 590538, 625794, 742092, 885807, 938691, 1075082, 1113138, 1181076, 1251588, 1612623, 1771614, 1877382, 2150164, 2226276, 3225246, 3543228, 3754764, 4837869, 6450492, 6988033, 9675738, 13976066, 19351476, 20964099, 27952132, 41928198, 62892297, 83856396, 125784594, 251569188]

約数ペア:

[(1, 251569188), (2, 125784594), (3, 83856396), (4, 62892297), (6, 41928198), (9, 27952132), (12, 20964099), (13, 19351476), (18, 13976066), (26, 9675738), (36, 6988033), (39, 6450492), (52, 4837869), (67, 3754764), (71, 3543228), (78, 3225246), (113, 2226276), (117, 2150164), (134, 1877382), (142, 1771614), (156, 1612623), (201, 1251588), (213, 1181076), (226, 1113138), (234, 1075082), (268, 938691), (284, 885807), (339, 742092), (402, 625794), (426, 590538), (452, 556569), (468, 537541), (603, 417196), (639, 393692), (678, 371046), (804, 312897), (852, 295269), (871, 288828), (923, 272556), (1017, 247364), (1206, 208598), (1278, 196846), (1356, 185523), (1469, 171252), (1742, 144414), (1846, 136278), (2034, 123682), (2412, 104299), (2556, 98423), (2613, 96276), (2769, 90852), (2938, 85626), (3484, 72207), (3692, 68139), (4068, 61841), (4407, 57084), (4757, 52884), (5226, 48138), (5538, 45426), (5876, 42813), (7571, 33228), (7839, 32092), (8023, 31356), (8307, 30284), (8814, 28542), (9514, 26442), (10452, 24069), (11076, 22713), (13221, 19028), (14271, 17628), (15142, 16614), (15678, 16046)]