647514368

素因数分解:

$2^8\times {\mathrm{313}}^1\times {\mathrm{8081}}^1$

素因数の和:8410

約数の個数: 36

約数和(自身を含む): 1296789228

約数和(自身を除く): 649274860

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 313, 626, 1252, 2504, 5008, 8081, 10016, 16162, 20032, 32324, 40064, 64648, 80128, 129296, 258592, 517184, 1034368, 2068736, 2529353, 5058706, 10117412, 20234824, 40469648, 80939296, 161878592, 323757184, 647514368]

約数ペア:

[(1, 647514368), (2, 323757184), (4, 161878592), (8, 80939296), (16, 40469648), (32, 20234824), (64, 10117412), (128, 5058706), (256, 2529353), (313, 2068736), (626, 1034368), (1252, 517184), (2504, 258592), (5008, 129296), (8081, 80128), (10016, 64648), (16162, 40064), (20032, 32324)]