328353974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{997}}^1$

素因数の和:1304

約数の個数: 32

約数和(自身を含む): 543231360

約数和(自身を除く): 214877386

約数列:

[1, 2, 13, 26, 53, 106, 239, 478, 689, 997, 1378, 1994, 3107, 6214, 12667, 12961, 25334, 25922, 52841, 105682, 164671, 238283, 329342, 476566, 686933, 1373866, 3097679, 6195358, 12628999, 25257998, 164176987, 328353974]

約数ペア:

[(1, 328353974), (2, 164176987), (13, 25257998), (26, 12628999), (53, 6195358), (106, 3097679), (239, 1373866), (478, 686933), (689, 476566), (997, 329342), (1378, 238283), (1994, 164671), (3107, 105682), (6214, 52841), (12667, 25922), (12961, 25334)]