25978845

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 43690752

約数和(自身を除く): 17711907

約数列:

[1, 3, 5, 15, 23, 69, 115, 257, 293, 345, 771, 879, 1285, 1465, 3855, 4395, 5911, 6739, 17733, 20217, 29555, 33695, 75301, 88665, 101085, 225903, 376505, 1129515, 1731923, 5195769, 8659615, 25978845]

約数ペア:

[(1, 25978845), (3, 8659615), (5, 5195769), (15, 1731923), (23, 1129515), (69, 376505), (115, 225903), (257, 101085), (293, 88665), (345, 75301), (771, 33695), (879, 29555), (1285, 20217), (1465, 17733), (3855, 6739), (4395, 5911)]