25172589

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 38191104

約数和(自身を除く): 13018515

約数列:

[1, 3, 13, 31, 39, 47, 93, 141, 403, 443, 611, 1209, 1329, 1457, 1833, 4371, 5759, 13733, 17277, 18941, 20821, 41199, 56823, 62463, 178529, 270673, 535587, 645451, 812019, 1936353, 8390863, 25172589]

約数ペア:

[(1, 25172589), (3, 8390863), (13, 1936353), (31, 812019), (39, 645451), (47, 535587), (93, 270673), (141, 178529), (403, 62463), (443, 56823), (611, 41199), (1209, 20821), (1329, 18941), (1457, 17277), (1833, 13733), (4371, 5759)]