131437278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7963}}^1$

素因数の和:8109

約数の個数: 48

約数和(自身を含む): 327989376

約数和(自身を除く): 196552098

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 262, 393, 786, 917, 1179, 1834, 2358, 2751, 5502, 7963, 8253, 15926, 16506, 23889, 47778, 55741, 71667, 111482, 143334, 167223, 334446, 501669, 1003338, 1043153, 2086306, 3129459, 6258918, 7302071, 9388377, 14604142, 18776754, 21906213, 43812426, 65718639, 131437278]

約数ペア:

[(1, 131437278), (2, 65718639), (3, 43812426), (6, 21906213), (7, 18776754), (9, 14604142), (14, 9388377), (18, 7302071), (21, 6258918), (42, 3129459), (63, 2086306), (126, 1043153), (131, 1003338), (262, 501669), (393, 334446), (786, 167223), (917, 143334), (1179, 111482), (1834, 71667), (2358, 55741), (2751, 47778), (5502, 23889), (7963, 16506), (8253, 15926)]