251396608

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:433

約数の個数: 80

約数和(自身を含む): 531108864

約数和(自身を除く): 279712256

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 64, 94, 124, 128, 188, 248, 256, 337, 376, 496, 512, 674, 752, 992, 1348, 1457, 1504, 1984, 2696, 2914, 3008, 3968, 5392, 5828, 6016, 7936, 10447, 10784, 11656, 12032, 15839, 15872, 20894, 21568, 23312, 24064, 31678, 41788, 43136, 46624, 63356, 83576, 86272, 93248, 126712, 167152, 172544, 186496, 253424, 334304, 372992, 491009, 506848, 668608, 745984, 982018, 1013696, 1337216, 1964036, 2027392, 2674432, 3928072, 4054784, 5348864, 7856144, 8109568, 15712288, 31424576, 62849152, 125698304, 251396608]

約数ペア:

[(1, 251396608), (2, 125698304), (4, 62849152), (8, 31424576), (16, 15712288), (31, 8109568), (32, 7856144), (47, 5348864), (62, 4054784), (64, 3928072), (94, 2674432), (124, 2027392), (128, 1964036), (188, 1337216), (248, 1013696), (256, 982018), (337, 745984), (376, 668608), (496, 506848), (512, 491009), (674, 372992), (752, 334304), (992, 253424), (1348, 186496), (1457, 172544), (1504, 167152), (1984, 126712), (2696, 93248), (2914, 86272), (3008, 83576), (3968, 63356), (5392, 46624), (5828, 43136), (6016, 41788), (7936, 31678), (10447, 24064), (10784, 23312), (11656, 21568), (12032, 20894), (15839, 15872)]