77804972

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{19991}}^1$

素因数の和:20141

約数の個数: 24

約数和(自身を含む): 156737280

約数和(自身を除く): 78932308

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 19991, 39982, 79964, 139937, 279874, 559748, 2778749, 5557498, 11114996, 19451243, 38902486, 77804972]

約数ペア:

[(1, 77804972), (2, 38902486), (4, 19451243), (7, 11114996), (14, 5557498), (28, 2778749), (139, 559748), (278, 279874), (556, 139937), (973, 79964), (1946, 39982), (3892, 19991)]