25866867

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 38497536

約数和(自身を除く): 12630669

約数列:

[1, 3, 13, 39, 61, 83, 131, 183, 249, 393, 793, 1079, 1703, 2379, 3237, 5063, 5109, 7991, 10873, 15189, 23973, 32619, 65819, 103883, 141349, 197457, 311649, 424047, 663253, 1989759, 8622289, 25866867]

約数ペア:

[(1, 25866867), (3, 8622289), (13, 1989759), (39, 663253), (61, 424047), (83, 311649), (131, 197457), (183, 141349), (249, 103883), (393, 65819), (793, 32619), (1079, 23973), (1703, 15189), (2379, 10873), (3237, 7991), (5063, 5109)]