257549776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{4421}}^1$

素因数の和:4771

約数の個数: 40

約数和(自身を含む): 546134688

約数和(自身を除く): 288584912

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 331, 662, 1324, 2648, 3641, 4421, 5296, 7282, 8842, 14564, 17684, 29128, 35368, 48631, 58256, 70736, 97262, 194524, 389048, 778096, 1463351, 2926702, 5853404, 11706808, 16096861, 23413616, 32193722, 64387444, 128774888, 257549776]

約数ペア:

[(1, 257549776), (2, 128774888), (4, 64387444), (8, 32193722), (11, 23413616), (16, 16096861), (22, 11706808), (44, 5853404), (88, 2926702), (176, 1463351), (331, 778096), (662, 389048), (1324, 194524), (2648, 97262), (3641, 70736), (4421, 58256), (5296, 48631), (7282, 35368), (8842, 29128), (14564, 17684)]