815278672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{557}}^1$

素因数の和:836

約数の個数: 80

約数和(自身を含む): 1766886912

約数和(自身を除く): 951608240

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 227, 248, 403, 454, 496, 557, 806, 908, 1114, 1612, 1816, 2228, 2951, 3224, 3632, 4456, 5902, 6448, 7037, 7241, 8912, 11804, 14074, 14482, 17267, 23608, 28148, 28964, 34534, 47216, 56296, 57928, 69068, 91481, 112592, 115856, 126439, 138136, 182962, 224471, 252878, 276272, 365924, 448942, 505756, 731848, 897884, 1011512, 1463696, 1643707, 1795768, 2023024, 3287414, 3591536, 3919609, 6574828, 7839218, 13149656, 15678436, 26299312, 31356872, 50954917, 62713744, 101909834, 203819668, 407639336, 815278672]

約数ペア:

[(1, 815278672), (2, 407639336), (4, 203819668), (8, 101909834), (13, 62713744), (16, 50954917), (26, 31356872), (31, 26299312), (52, 15678436), (62, 13149656), (104, 7839218), (124, 6574828), (208, 3919609), (227, 3591536), (248, 3287414), (403, 2023024), (454, 1795768), (496, 1643707), (557, 1463696), (806, 1011512), (908, 897884), (1114, 731848), (1612, 505756), (1816, 448942), (2228, 365924), (2951, 276272), (3224, 252878), (3632, 224471), (4456, 182962), (5902, 138136), (6448, 126439), (7037, 115856), (7241, 112592), (8912, 91481), (11804, 69068), (14074, 57928), (14482, 56296), (17267, 47216), (23608, 34534), (28148, 28964)]