291266768

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{107717}}^1$

素因数の和:107751

約数の個数: 30

約数和(自身を含む): 611084214

約数和(自身を除く): 319817446

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 107717, 215434, 430868, 861736, 1400321, 1723472, 2800642, 5601284, 11202568, 18204173, 22405136, 36408346, 72816692, 145633384, 291266768]

約数ペア:

[(1, 291266768), (2, 145633384), (4, 72816692), (8, 36408346), (13, 22405136), (16, 18204173), (26, 11202568), (52, 5601284), (104, 2800642), (169, 1723472), (208, 1400321), (338, 861736), (676, 430868), (1352, 215434), (2704, 107717)]