25719491

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 32378880

約数和(自身を除く): 6659389

約数列:

[1, 7, 29, 31, 61, 67, 203, 217, 427, 469, 899, 1769, 1891, 1943, 2077, 4087, 6293, 12383, 13237, 13601, 14539, 28609, 54839, 60233, 118523, 126697, 383873, 421631, 829661, 886879, 3674213, 25719491]

約数ペア:

[(1, 25719491), (7, 3674213), (29, 886879), (31, 829661), (61, 421631), (67, 383873), (203, 126697), (217, 118523), (427, 60233), (469, 54839), (899, 28609), (1769, 14539), (1891, 13601), (1943, 13237), (2077, 12383), (4087, 6293)]