25853919

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 43972992

約数和(自身を除く): 18119073

約数列:

[1, 3, 7, 13, 21, 39, 49, 83, 91, 147, 163, 249, 273, 489, 581, 637, 1079, 1141, 1743, 1911, 2119, 3237, 3423, 4067, 6357, 7553, 7987, 12201, 13529, 14833, 22659, 23961, 40587, 44499, 52871, 94703, 103831, 158613, 175877, 284109, 311493, 527631, 662921, 1231139, 1988763, 3693417, 8617973, 25853919]

約数ペア:

[(1, 25853919), (3, 8617973), (7, 3693417), (13, 1988763), (21, 1231139), (39, 662921), (49, 527631), (83, 311493), (91, 284109), (147, 175877), (163, 158613), (249, 103831), (273, 94703), (489, 52871), (581, 44499), (637, 40587), (1079, 23961), (1141, 22659), (1743, 14833), (1911, 13529), (2119, 12201), (3237, 7987), (3423, 7553), (4067, 6357)]