25164386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 43409520

約数和(自身を除く): 18245134

約数列:

[1, 2, 13, 17, 26, 34, 197, 221, 289, 394, 442, 578, 2561, 3349, 3757, 4913, 5122, 6698, 7514, 9826, 43537, 56933, 63869, 87074, 113866, 127738, 740129, 967861, 1480258, 1935722, 12582193, 25164386]

約数ペア:

[(1, 25164386), (2, 12582193), (13, 1935722), (17, 1480258), (26, 967861), (34, 740129), (197, 127738), (221, 113866), (289, 87074), (394, 63869), (442, 56933), (578, 43537), (2561, 9826), (3349, 7514), (3757, 6698), (4913, 5122)]