86721908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{238247}}^1$

素因数の和:238271

約数の個数: 24

約数和(自身を含む): 186786432

約数和(自身を除く): 100064524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 238247, 476494, 952988, 1667729, 3097211, 3335458, 6194422, 6670916, 12388844, 21680477, 43360954, 86721908]

約数ペア:

[(1, 86721908), (2, 43360954), (4, 21680477), (7, 12388844), (13, 6670916), (14, 6194422), (26, 3335458), (28, 3097211), (52, 1667729), (91, 952988), (182, 476494), (364, 238247)]