2561208

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8209}}^1$

素因数の和:8231

約数の個数: 32

約数和(自身を含む): 6896400

約数和(自身を除く): 4335192

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 8209, 16418, 24627, 32836, 49254, 65672, 98508, 106717, 197016, 213434, 320151, 426868, 640302, 853736, 1280604, 2561208]

約数ペア:

[(1, 2561208), (2, 1280604), (3, 853736), (4, 640302), (6, 426868), (8, 320151), (12, 213434), (13, 197016), (24, 106717), (26, 98508), (39, 65672), (52, 49254), (78, 32836), (104, 24627), (156, 16418), (312, 8209)]