257401696

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{409}}^1$

素因数の和:767

約数の個数: 48

約数和(自身を含む): 517013280

約数和(自身を除く): 259611584

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 277, 284, 409, 554, 568, 818, 1108, 1136, 1636, 2216, 2272, 3272, 4432, 6544, 8864, 13088, 19667, 29039, 39334, 58078, 78668, 113293, 116156, 157336, 226586, 232312, 314672, 453172, 464624, 629344, 906344, 929248, 1812688, 3625376, 8043803, 16087606, 32175212, 64350424, 128700848, 257401696]

約数ペア:

[(1, 257401696), (2, 128700848), (4, 64350424), (8, 32175212), (16, 16087606), (32, 8043803), (71, 3625376), (142, 1812688), (277, 929248), (284, 906344), (409, 629344), (554, 464624), (568, 453172), (818, 314672), (1108, 232312), (1136, 226586), (1636, 157336), (2216, 116156), (2272, 113293), (3272, 78668), (4432, 58078), (6544, 39334), (8864, 29039), (13088, 19667)]