25251639

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 40304640

約数和(自身を除く): 15053001

約数列:

[1, 3, 7, 21, 31, 79, 93, 217, 237, 491, 553, 651, 1473, 1659, 2449, 3437, 7347, 10311, 15221, 17143, 38789, 45663, 51429, 106547, 116367, 271523, 319641, 814569, 1202459, 3607377, 8417213, 25251639]

約数ペア:

[(1, 25251639), (3, 8417213), (7, 3607377), (21, 1202459), (31, 814569), (79, 319641), (93, 271523), (217, 116367), (237, 106547), (491, 51429), (553, 45663), (651, 38789), (1473, 17143), (1659, 15221), (2449, 10311), (3437, 7347)]