25356884

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 52985856

約数和(自身を除く): 27628972

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 131, 217, 223, 262, 434, 446, 524, 868, 892, 917, 1561, 1834, 3122, 3668, 4061, 6244, 6913, 8122, 13826, 16244, 27652, 28427, 29213, 48391, 56854, 58426, 96782, 113708, 116852, 193564, 204491, 408982, 817964, 905603, 1811206, 3622412, 6339221, 12678442, 25356884]

約数ペア:

[(1, 25356884), (2, 12678442), (4, 6339221), (7, 3622412), (14, 1811206), (28, 905603), (31, 817964), (62, 408982), (124, 204491), (131, 193564), (217, 116852), (223, 113708), (262, 96782), (434, 58426), (446, 56854), (524, 48391), (868, 29213), (892, 28427), (917, 27652), (1561, 16244), (1834, 13826), (3122, 8122), (3668, 6913), (4061, 6244)]