28775396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 36

約数和(自身を含む): 55553652

約数和(自身を除く): 26778256

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 197, 212, 394, 689, 788, 1378, 2561, 2756, 2809, 5122, 5618, 10244, 10441, 11236, 20882, 36517, 41764, 73034, 135733, 146068, 271466, 542932, 553373, 1106746, 2213492, 7193849, 14387698, 28775396]

約数ペア:

[(1, 28775396), (2, 14387698), (4, 7193849), (13, 2213492), (26, 1106746), (52, 553373), (53, 542932), (106, 271466), (197, 146068), (212, 135733), (394, 73034), (689, 41764), (788, 36517), (1378, 20882), (2561, 11236), (2756, 10441), (2809, 10244), (5122, 5618)]