80400398

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{1873}}^1$

素因数の和:2028

約数の個数: 24

約数和(自身を含む): 131689728

約数和(自身を除く): 51289330

約数列:

[1, 2, 13, 26, 127, 169, 254, 338, 1651, 1873, 3302, 3746, 21463, 24349, 42926, 48698, 237871, 316537, 475742, 633074, 3092323, 6184646, 40200199, 80400398]

約数ペア:

[(1, 80400398), (2, 40200199), (13, 6184646), (26, 3092323), (127, 633074), (169, 475742), (254, 316537), (338, 237871), (1651, 48698), (1873, 42926), (3302, 24349), (3746, 21463)]