16406979472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{78879709}}^1$

素因数の和:78879730

約数の個数: 20

約数和(自身を含む): 34233794140

約数和(自身を除く): 17826814668

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 78879709, 157759418, 315518836, 631037672, 1025436217, 1262075344, 2050872434, 4101744868, 8203489736, 16406979472]

約数ペア:

[(1, 16406979472), (2, 8203489736), (4, 4101744868), (8, 2050872434), (13, 1262075344), (16, 1025436217), (26, 631037672), (52, 315518836), (104, 157759418), (208, 78879709)]