251614135

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 327979008

約数和(自身を除く): 76364873

約数列:

[1, 5, 23, 31, 115, 155, 163, 433, 713, 815, 2165, 3565, 3749, 5053, 9959, 13423, 18745, 25265, 49795, 67115, 70579, 116219, 308729, 352895, 581095, 1543645, 1623317, 2187949, 8116585, 10939745, 50322827, 251614135]

約数ペア:

[(1, 251614135), (5, 50322827), (23, 10939745), (31, 8116585), (115, 2187949), (155, 1623317), (163, 1543645), (433, 581095), (713, 352895), (815, 308729), (2165, 116219), (3565, 70579), (3749, 67115), (5053, 49795), (9959, 25265), (13423, 18745)]