53781988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{11621}}^1$

素因数の和:11727

約数の個数: 24

約数和(自身を含む): 102506040

約数和(自身を除く): 48724052

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 11621, 23242, 46484, 151073, 302146, 604292, 1034269, 2068538, 4137076, 13445497, 26890994, 53781988]

約数ペア:

[(1, 53781988), (2, 26890994), (4, 13445497), (13, 4137076), (26, 2068538), (52, 1034269), (89, 604292), (178, 302146), (356, 151073), (1157, 46484), (2314, 23242), (4628, 11621)]