320476208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1540751}}^1$

素因数の和:1540772

約数の個数: 20

約数和(自身を含む): 668686368

約数和(自身を除く): 348210160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1540751, 3081502, 6163004, 12326008, 20029763, 24652016, 40059526, 80119052, 160238104, 320476208]

約数ペア:

[(1, 320476208), (2, 160238104), (4, 80119052), (8, 40059526), (13, 24652016), (16, 20029763), (26, 12326008), (52, 6163004), (104, 3081502), (208, 1540751)]