256721024

素因数分解:

$2^7\times 7^1\times {\mathrm{286519}}^1$

素因数の和:286540

約数の個数: 32

約数和(自身を含む): 584500800

約数和(自身を除く): 327779776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 286519, 573038, 1146076, 2005633, 2292152, 4011266, 4584304, 8022532, 9168608, 16045064, 18337216, 32090128, 36674432, 64180256, 128360512, 256721024]

約数ペア:

[(1, 256721024), (2, 128360512), (4, 64180256), (7, 36674432), (8, 32090128), (14, 18337216), (16, 16045064), (28, 9168608), (32, 8022532), (56, 4584304), (64, 4011266), (112, 2292152), (128, 2005633), (224, 1146076), (448, 573038), (896, 286519)]