129416248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{443}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 266946120

約数和(自身を除く): 137529872

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 443, 689, 886, 1378, 1772, 2756, 2809, 3544, 5512, 5618, 5759, 11236, 11518, 22472, 23036, 23479, 36517, 46072, 46958, 73034, 93916, 146068, 187832, 292136, 305227, 610454, 1220908, 1244387, 2441816, 2488774, 4977548, 9955096, 16177031, 32354062, 64708124, 129416248]

約数ペア:

[(1, 129416248), (2, 64708124), (4, 32354062), (8, 16177031), (13, 9955096), (26, 4977548), (52, 2488774), (53, 2441816), (104, 1244387), (106, 1220908), (212, 610454), (424, 305227), (443, 292136), (689, 187832), (886, 146068), (1378, 93916), (1772, 73034), (2756, 46958), (2809, 46072), (3544, 36517), (5512, 23479), (5618, 23036), (5759, 22472), (11236, 11518)]