254392448

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1051}}^1$

素因数の和:1157

約数の個数: 64

約数和(自身を含む): 532227840

約数和(自身を除く): 277835392

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 128, 244, 248, 488, 496, 976, 992, 1051, 1891, 1952, 1984, 2102, 3782, 3904, 3968, 4204, 7564, 7808, 8408, 15128, 16816, 30256, 32581, 33632, 60512, 64111, 65162, 67264, 121024, 128222, 130324, 134528, 242048, 256444, 260648, 512888, 521296, 1025776, 1042592, 1987441, 2051552, 2085184, 3974882, 4103104, 4170368, 7949764, 8206208, 15899528, 31799056, 63598112, 127196224, 254392448]

約数ペア:

[(1, 254392448), (2, 127196224), (4, 63598112), (8, 31799056), (16, 15899528), (31, 8206208), (32, 7949764), (61, 4170368), (62, 4103104), (64, 3974882), (122, 2085184), (124, 2051552), (128, 1987441), (244, 1042592), (248, 1025776), (488, 521296), (496, 512888), (976, 260648), (992, 256444), (1051, 242048), (1891, 134528), (1952, 130324), (1984, 128222), (2102, 121024), (3782, 67264), (3904, 65162), (3968, 64111), (4204, 60512), (7564, 33632), (7808, 32581), (8408, 30256), (15128, 16816)]