438328293

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1\times {\mathrm{431}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 640120320

約数和(自身を除く): 201792027

約数列:

[1, 3, 13, 39, 89, 267, 293, 431, 879, 1157, 1293, 3471, 3809, 5603, 11427, 16809, 26077, 38359, 78231, 115077, 126283, 339001, 378849, 498667, 1017003, 1496001, 1641679, 4925037, 11239187, 33717561, 146109431, 438328293]

約数ペア:

[(1, 438328293), (3, 146109431), (13, 33717561), (39, 11239187), (89, 4925037), (267, 1641679), (293, 1496001), (431, 1017003), (879, 498667), (1157, 378849), (1293, 339001), (3471, 126283), (3809, 115077), (5603, 78231), (11427, 38359), (16809, 26077)]