338227136

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{31271}}^1$

素因数の和:31309

約数の個数: 42

約数和(自身を含む): 726792552

約数和(自身を除く): 388565416

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 2704, 5408, 10816, 31271, 62542, 125084, 250168, 406523, 500336, 813046, 1000672, 1626092, 2001344, 3252184, 5284799, 6504368, 10569598, 13008736, 21139196, 26017472, 42278392, 84556784, 169113568, 338227136]

約数ペア:

[(1, 338227136), (2, 169113568), (4, 84556784), (8, 42278392), (13, 26017472), (16, 21139196), (26, 13008736), (32, 10569598), (52, 6504368), (64, 5284799), (104, 3252184), (169, 2001344), (208, 1626092), (338, 1000672), (416, 813046), (676, 500336), (832, 406523), (1352, 250168), (2704, 125084), (5408, 62542), (10816, 31271)]