251128488

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 723945600

約数和(自身を除く): 472817112

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 113, 136, 156, 204, 221, 226, 312, 339, 408, 419, 442, 452, 663, 678, 838, 884, 904, 1257, 1326, 1356, 1469, 1676, 1768, 1921, 2514, 2652, 2712, 2938, 3352, 3842, 4407, 5028, 5304, 5447, 5763, 5876, 7123, 7684, 8814, 10056, 10894, 11526, 11752, 14246, 15368, 16341, 17628, 21369, 21788, 23052, 24973, 28492, 32682, 35256, 42738, 43576, 46104, 47347, 49946, 56984, 65364, 74919, 85476, 92599, 94694, 99892, 130728, 142041, 149838, 170952, 185198, 189388, 199784, 277797, 284082, 299676, 370396, 378776, 555594, 568164, 599352, 615511, 740792, 804899, 1111188, 1136328, 1231022, 1609798, 1846533, 2222376, 2414697, 2462044, 3219596, 3693066, 4829394, 4924088, 6439192, 7386132, 9658788, 10463687, 14772264, 19317576, 20927374, 31391061, 41854748, 62782122, 83709496, 125564244, 251128488]

約数ペア:

[(1, 251128488), (2, 125564244), (3, 83709496), (4, 62782122), (6, 41854748), (8, 31391061), (12, 20927374), (13, 19317576), (17, 14772264), (24, 10463687), (26, 9658788), (34, 7386132), (39, 6439192), (51, 4924088), (52, 4829394), (68, 3693066), (78, 3219596), (102, 2462044), (104, 2414697), (113, 2222376), (136, 1846533), (156, 1609798), (204, 1231022), (221, 1136328), (226, 1111188), (312, 804899), (339, 740792), (408, 615511), (419, 599352), (442, 568164), (452, 555594), (663, 378776), (678, 370396), (838, 299676), (884, 284082), (904, 277797), (1257, 199784), (1326, 189388), (1356, 185198), (1469, 170952), (1676, 149838), (1768, 142041), (1921, 130728), (2514, 99892), (2652, 94694), (2712, 92599), (2938, 85476), (3352, 74919), (3842, 65364), (4407, 56984), (5028, 49946), (5304, 47347), (5447, 46104), (5763, 43576), (5876, 42738), (7123, 35256), (7684, 32682), (8814, 28492), (10056, 24973), (10894, 23052), (11526, 21788), (11752, 21369), (14246, 17628), (15368, 16341)]