81503188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{29573}}^1$

素因数の和:29643

約数の個数: 24

約数和(自身を含む): 156505608

約数和(自身を除く): 75002420

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 29573, 59146, 118292, 384449, 768898, 1537796, 1567369, 3134738, 6269476, 20375797, 40751594, 81503188]

約数ペア:

[(1, 81503188), (2, 40751594), (4, 20375797), (13, 6269476), (26, 3134738), (52, 1567369), (53, 1537796), (106, 768898), (212, 384449), (689, 118292), (1378, 59146), (2756, 29573)]