138855479

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{15607}}^1$

素因数の和:15686

約数の個数: 16

約数和(自身を含む): 167817216

約数和(自身を除く): 28961737

約数列:

[1, 7, 31, 41, 217, 287, 1271, 8897, 15607, 109249, 483817, 639887, 3386719, 4479209, 19836497, 138855479]

約数ペア:

[(1, 138855479), (7, 19836497), (31, 4479209), (41, 3386719), (217, 639887), (287, 483817), (1271, 109249), (8897, 15607)]