25920206

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{347}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 44724960

約数和(自身を除く): 18804754

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 347, 442, 694, 2197, 2873, 4394, 4511, 5746, 5899, 9022, 11798, 37349, 58643, 74698, 76687, 117286, 153374, 762359, 996931, 1524718, 1993862, 12960103, 25920206]

約数ペア:

[(1, 25920206), (2, 12960103), (13, 1993862), (17, 1524718), (26, 996931), (34, 762359), (169, 153374), (221, 117286), (338, 76687), (347, 74698), (442, 58643), (694, 37349), (2197, 11798), (2873, 9022), (4394, 5899), (4511, 5746)]