78492208

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{45007}}^1$

素因数の和:45124

約数の個数: 20

約数和(自身を含む): 153477280

約数和(自身を除く): 74985072

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 45007, 90014, 180028, 360056, 720112, 4905763, 9811526, 19623052, 39246104, 78492208]

約数ペア:

[(1, 78492208), (2, 39246104), (4, 19623052), (8, 9811526), (16, 4905763), (109, 720112), (218, 360056), (436, 180028), (872, 90014), (1744, 45007)]