129144678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71987}}^1$

素因数の和:72028

約数の個数: 32

約数和(自身を含む): 290255616

約数和(自身を除く): 161110938

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 71987, 143974, 215961, 431922, 935831, 1655701, 1871662, 2807493, 3311402, 4967103, 5614986, 9934206, 21524113, 43048226, 64572339, 129144678]

約数ペア:

[(1, 129144678), (2, 64572339), (3, 43048226), (6, 21524113), (13, 9934206), (23, 5614986), (26, 4967103), (39, 3311402), (46, 2807493), (69, 1871662), (78, 1655701), (138, 935831), (299, 431922), (598, 215961), (897, 143974), (1794, 71987)]