1387966736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{6672917}}^1$

素因数の和:6672938

約数の個数: 20

約数和(自身を含む): 2896046412

約数和(自身を除く): 1508079676

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 6672917, 13345834, 26691668, 53383336, 86747921, 106766672, 173495842, 346991684, 693983368, 1387966736]

約数ペア:

[(1, 1387966736), (2, 693983368), (4, 346991684), (8, 173495842), (13, 106766672), (16, 86747921), (26, 53383336), (52, 26691668), (104, 13345834), (208, 6672917)]