278996828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{907}}^1\times {\mathrm{6991}}^1$

素因数の和:7913

約数の個数: 24

約数和(自身を含む): 533293824

約数和(自身を除く): 254296996

約数列:

[1, 2, 4, 11, 22, 44, 907, 1814, 3628, 6991, 9977, 13982, 19954, 27964, 39908, 76901, 153802, 307604, 6340837, 12681674, 25363348, 69749207, 139498414, 278996828]

約数ペア:

[(1, 278996828), (2, 139498414), (4, 69749207), (11, 25363348), (22, 12681674), (44, 6340837), (907, 307604), (1814, 153802), (3628, 76901), (6991, 39908), (9977, 27964), (13982, 19954)]