71717884

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{18427}}^1$

素因数の和:18577

約数の個数: 24

約数和(自身を含む): 144475520

約数和(自身を除く): 72757636

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 18427, 36854, 73708, 128989, 257978, 515956, 2561353, 5122706, 10245412, 17929471, 35858942, 71717884]

約数ペア:

[(1, 71717884), (2, 35858942), (4, 17929471), (7, 10245412), (14, 5122706), (28, 2561353), (139, 515956), (278, 257978), (556, 128989), (973, 73708), (1946, 36854), (3892, 18427)]