263729128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{12743}}^1$

素因数の和:12961

約数の個数: 32

約数和(自身を含む): 535248000

約数和(自身を除く): 271518872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 1592, 2587, 5174, 10348, 12743, 20696, 25486, 50972, 101944, 165659, 331318, 662636, 1325272, 2535857, 5071714, 10143428, 20286856, 32966141, 65932282, 131864564, 263729128]

約数ペア:

[(1, 263729128), (2, 131864564), (4, 65932282), (8, 32966141), (13, 20286856), (26, 10143428), (52, 5071714), (104, 2535857), (199, 1325272), (398, 662636), (796, 331318), (1592, 165659), (2587, 101944), (5174, 50972), (10348, 25486), (12743, 20696)]