131197808

素因数分解:

$2^4\times 7^1\times {\mathrm{331}}^1\times {\mathrm{3539}}^1$

素因数の和:3885

約数の個数: 40

約数和(自身を含む): 291469440

約数和(自身を除く): 160271632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 331, 662, 1324, 2317, 2648, 3539, 4634, 5296, 7078, 9268, 14156, 18536, 24773, 28312, 37072, 49546, 56624, 99092, 198184, 396368, 1171409, 2342818, 4685636, 8199863, 9371272, 16399726, 18742544, 32799452, 65598904, 131197808]

約数ペア:

[(1, 131197808), (2, 65598904), (4, 32799452), (7, 18742544), (8, 16399726), (14, 9371272), (16, 8199863), (28, 4685636), (56, 2342818), (112, 1171409), (331, 396368), (662, 198184), (1324, 99092), (2317, 56624), (2648, 49546), (3539, 37072), (4634, 28312), (5296, 24773), (7078, 18536), (9268, 14156)]