81137208

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^2\times {\mathrm{197}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 205440840

約数和(自身を除く): 124303632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 197, 262, 393, 394, 524, 591, 786, 788, 1048, 1182, 1572, 1576, 2364, 3144, 4728, 17161, 25807, 34322, 51483, 51614, 68644, 77421, 102966, 103228, 137288, 154842, 205932, 206456, 309684, 411864, 619368, 3380717, 6761434, 10142151, 13522868, 20284302, 27045736, 40568604, 81137208]

約数ペア:

[(1, 81137208), (2, 40568604), (3, 27045736), (4, 20284302), (6, 13522868), (8, 10142151), (12, 6761434), (24, 3380717), (131, 619368), (197, 411864), (262, 309684), (393, 206456), (394, 205932), (524, 154842), (591, 137288), (786, 103228), (788, 102966), (1048, 77421), (1182, 68644), (1572, 51614), (1576, 51483), (2364, 34322), (3144, 25807), (4728, 17161)]