290475208

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{8941}}^1$

素因数の和:9109

約数の個数: 32

約数和(自身を含む): 566565120

約数和(自身を除く): 276089912

約数列:

[1, 2, 4, 8, 31, 62, 124, 131, 248, 262, 524, 1048, 4061, 8122, 8941, 16244, 17882, 32488, 35764, 71528, 277171, 554342, 1108684, 1171271, 2217368, 2342542, 4685084, 9370168, 36309401, 72618802, 145237604, 290475208]

約数ペア:

[(1, 290475208), (2, 145237604), (4, 72618802), (8, 36309401), (31, 9370168), (62, 4685084), (124, 2342542), (131, 2217368), (248, 1171271), (262, 1108684), (524, 554342), (1048, 277171), (4061, 71528), (8122, 35764), (8941, 32488), (16244, 17882)]