25715716

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:488

約数の個数: 36

約数和(自身を含む): 49318500

約数和(自身を除く): 23602784

約数列:

[1, 2, 4, 13, 26, 52, 109, 169, 218, 338, 349, 436, 676, 698, 1396, 1417, 2834, 4537, 5668, 9074, 18148, 18421, 36842, 38041, 58981, 73684, 76082, 117962, 152164, 235924, 494533, 989066, 1978132, 6428929, 12857858, 25715716]

約数ペア:

[(1, 25715716), (2, 12857858), (4, 6428929), (13, 1978132), (26, 989066), (52, 494533), (109, 235924), (169, 152164), (218, 117962), (338, 76082), (349, 73684), (436, 58981), (676, 38041), (698, 36842), (1396, 18421), (1417, 18148), (2834, 9074), (4537, 5668)]