12877808

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{2539}}^1$

素因数の和:2864

約数の個数: 20

約数和(自身を含む): 25039320

約数和(自身を除く): 12161512

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 2539, 5072, 5078, 10156, 20312, 40624, 804863, 1609726, 3219452, 6438904, 12877808]

約数ペア:

[(1, 12877808), (2, 6438904), (4, 3219452), (8, 1609726), (16, 804863), (317, 40624), (634, 20312), (1268, 10156), (2536, 5078), (2539, 5072)]