217195636

素因数分解:

$2^2\times 7^2\times {\mathrm{653}}^1\times {\mathrm{1697}}^1$

素因数の和:2368

約数の個数: 36

約数和(自身を含む): 443086308

約数和(自身を除く): 225890672

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 653, 1306, 1697, 2612, 3394, 4571, 6788, 9142, 11879, 18284, 23758, 31997, 47516, 63994, 83153, 127988, 166306, 332612, 1108141, 2216282, 4432564, 7756987, 15513974, 31027948, 54298909, 108597818, 217195636]

約数ペア:

[(1, 217195636), (2, 108597818), (4, 54298909), (7, 31027948), (14, 15513974), (28, 7756987), (49, 4432564), (98, 2216282), (196, 1108141), (653, 332612), (1306, 166306), (1697, 127988), (2612, 83153), (3394, 63994), (4571, 47516), (6788, 31997), (9142, 23758), (11879, 18284)]