256092590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{115879}}^1$

素因数の和:115916

約数の個数: 32

約数和(自身を含む): 525631680

約数和(自身を除く): 269539090

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 115879, 231758, 579395, 1158790, 1506427, 1969943, 3012854, 3939886, 7532135, 9849715, 15064270, 19699430, 25609259, 51218518, 128046295, 256092590]

約数ペア:

[(1, 256092590), (2, 128046295), (5, 51218518), (10, 25609259), (13, 19699430), (17, 15064270), (26, 9849715), (34, 7532135), (65, 3939886), (85, 3012854), (130, 1969943), (170, 1506427), (221, 1158790), (442, 579395), (1105, 231758), (2210, 115879)]