25513527

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 13193673

約数列:

[1, 3, 13, 31, 39, 47, 93, 141, 403, 449, 611, 1209, 1347, 1457, 1833, 4371, 5837, 13919, 17511, 18941, 21103, 41757, 56823, 63309, 180947, 274339, 542841, 654193, 823017, 1962579, 8504509, 25513527]

約数ペア:

[(1, 25513527), (3, 8504509), (13, 1962579), (31, 823017), (39, 654193), (47, 542841), (93, 274339), (141, 180947), (403, 63309), (449, 56823), (611, 41757), (1209, 21103), (1347, 18941), (1457, 17511), (1833, 13919), (4371, 5837)]