25489408

素因数分解:

$2^{12}\times 7^2\times {\mathrm{127}}^1$

素因数の和:165

約数の個数: 78

約数和(自身を含む): 59761536

約数和(自身を除く): 34272128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 127, 128, 196, 224, 254, 256, 392, 448, 508, 512, 784, 889, 896, 1016, 1024, 1568, 1778, 1792, 2032, 2048, 3136, 3556, 3584, 4064, 4096, 6223, 6272, 7112, 7168, 8128, 12446, 12544, 14224, 14336, 16256, 24892, 25088, 28448, 28672, 32512, 49784, 50176, 56896, 65024, 99568, 100352, 113792, 130048, 199136, 200704, 227584, 260096, 398272, 455168, 520192, 796544, 910336, 1593088, 1820672, 3186176, 3641344, 6372352, 12744704, 25489408]

約数ペア:

[(1, 25489408), (2, 12744704), (4, 6372352), (7, 3641344), (8, 3186176), (14, 1820672), (16, 1593088), (28, 910336), (32, 796544), (49, 520192), (56, 455168), (64, 398272), (98, 260096), (112, 227584), (127, 200704), (128, 199136), (196, 130048), (224, 113792), (254, 100352), (256, 99568), (392, 65024), (448, 56896), (508, 50176), (512, 49784), (784, 32512), (889, 28672), (896, 28448), (1016, 25088), (1024, 24892), (1568, 16256), (1778, 14336), (1792, 14224), (2032, 12544), (2048, 12446), (3136, 8128), (3556, 7168), (3584, 7112), (4064, 6272), (4096, 6223)]