251605984

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{9439}}^1$

素因数の和:9480

約数の個数: 72

約数和(自身を含む): 610182720

約数和(自身を除く): 358576736

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 784, 833, 952, 1568, 1666, 1904, 3332, 3808, 6664, 9439, 13328, 18878, 26656, 37756, 66073, 75512, 132146, 151024, 160463, 264292, 302048, 320926, 462511, 528584, 641852, 925022, 1057168, 1123241, 1283704, 1850044, 2114336, 2246482, 2567408, 3700088, 4492964, 5134816, 7400176, 7862687, 8985928, 14800352, 15725374, 17971856, 31450748, 35943712, 62901496, 125802992, 251605984]

約数ペア:

[(1, 251605984), (2, 125802992), (4, 62901496), (7, 35943712), (8, 31450748), (14, 17971856), (16, 15725374), (17, 14800352), (28, 8985928), (32, 7862687), (34, 7400176), (49, 5134816), (56, 4492964), (68, 3700088), (98, 2567408), (112, 2246482), (119, 2114336), (136, 1850044), (196, 1283704), (224, 1123241), (238, 1057168), (272, 925022), (392, 641852), (476, 528584), (544, 462511), (784, 320926), (833, 302048), (952, 264292), (1568, 160463), (1666, 151024), (1904, 132146), (3332, 75512), (3808, 66073), (6664, 37756), (9439, 26656), (13328, 18878)]