25355954

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 42760704

約数和(自身を除く): 17404750

約数列:

[1, 2, 13, 26, 31, 62, 163, 193, 326, 386, 403, 806, 2119, 2509, 4238, 5018, 5053, 5983, 10106, 11966, 31459, 62918, 65689, 77779, 131378, 155558, 408967, 817934, 975229, 1950458, 12677977, 25355954]

約数ペア:

[(1, 25355954), (2, 12677977), (13, 1950458), (26, 975229), (31, 817934), (62, 408967), (163, 155558), (193, 131378), (326, 77779), (386, 65689), (403, 62918), (806, 31459), (2119, 11966), (2509, 10106), (4238, 5983), (5018, 5053)]