642437118

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{28081}}^1$

素因数の和:28161

約数の個数: 48

約数和(自身を含む): 1471946112

約数和(自身を除く): 829508994

約数列:

[1, 2, 3, 6, 9, 18, 31, 41, 62, 82, 93, 123, 186, 246, 279, 369, 558, 738, 1271, 2542, 3813, 7626, 11439, 22878, 28081, 56162, 84243, 168486, 252729, 505458, 870511, 1151321, 1741022, 2302642, 2611533, 3453963, 5223066, 6907926, 7834599, 10361889, 15669198, 20723778, 35690951, 71381902, 107072853, 214145706, 321218559, 642437118]

約数ペア:

[(1, 642437118), (2, 321218559), (3, 214145706), (6, 107072853), (9, 71381902), (18, 35690951), (31, 20723778), (41, 15669198), (62, 10361889), (82, 7834599), (93, 6907926), (123, 5223066), (186, 3453963), (246, 2611533), (279, 2302642), (369, 1741022), (558, 1151321), (738, 870511), (1271, 505458), (2542, 252729), (3813, 168486), (7626, 84243), (11439, 56162), (22878, 28081)]