12454678

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:843

約数の個数: 16

約数和(自身を含む): 19111680

約数和(自身を除く): 6657002

約数列:

[1, 2, 71, 139, 142, 278, 631, 1262, 9869, 19738, 44801, 87709, 89602, 175418, 6227339, 12454678]

約数ペア:

[(1, 12454678), (2, 6227339), (71, 175418), (139, 89602), (142, 87709), (278, 44801), (631, 19738), (1262, 9869)]