261034268

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 530893440

約数和(自身を除く): 269859172

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 121, 131, 179, 242, 253, 262, 358, 484, 506, 524, 716, 1012, 1441, 1969, 2783, 2882, 3013, 3938, 4117, 5566, 5764, 6026, 7876, 8234, 11132, 12052, 15851, 16468, 21659, 23449, 31702, 33143, 43318, 45287, 46898, 63404, 66286, 86636, 90574, 93796, 132572, 181148, 257939, 364573, 498157, 515878, 539327, 729146, 996314, 1031756, 1078654, 1458292, 1992628, 2157308, 2837329, 5674658, 5932597, 11349316, 11865194, 23730388, 65258567, 130517134, 261034268]

約数ペア:

[(1, 261034268), (2, 130517134), (4, 65258567), (11, 23730388), (22, 11865194), (23, 11349316), (44, 5932597), (46, 5674658), (92, 2837329), (121, 2157308), (131, 1992628), (179, 1458292), (242, 1078654), (253, 1031756), (262, 996314), (358, 729146), (484, 539327), (506, 515878), (524, 498157), (716, 364573), (1012, 257939), (1441, 181148), (1969, 132572), (2783, 93796), (2882, 90574), (3013, 86636), (3938, 66286), (4117, 63404), (5566, 46898), (5764, 45287), (6026, 43318), (7876, 33143), (8234, 31702), (11132, 23449), (12052, 21659), (15851, 16468)]