25940005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 39158784

約数和(自身を除く): 13218779

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 1213, 1645, 3055, 4277, 6065, 8491, 15769, 21385, 42455, 57011, 78845, 110383, 285055, 399077, 551915, 741143, 1995385, 3705715, 5188001, 25940005]

約数ペア:

[(1, 25940005), (5, 5188001), (7, 3705715), (13, 1995385), (35, 741143), (47, 551915), (65, 399077), (91, 285055), (235, 110383), (329, 78845), (455, 57011), (611, 42455), (1213, 21385), (1645, 15769), (3055, 8491), (4277, 6065)]