71657984

素因数分解:

$2^9\times {\mathrm{173}}^1\times {\mathrm{809}}^1$

素因数の和:1000

約数の個数: 40

約数和(自身を含む): 144181620

約数和(自身を除く): 72523636

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 173, 256, 346, 512, 692, 809, 1384, 1618, 2768, 3236, 5536, 6472, 11072, 12944, 22144, 25888, 44288, 51776, 88576, 103552, 139957, 207104, 279914, 414208, 559828, 1119656, 2239312, 4478624, 8957248, 17914496, 35828992, 71657984]

約数ペア:

[(1, 71657984), (2, 35828992), (4, 17914496), (8, 8957248), (16, 4478624), (32, 2239312), (64, 1119656), (128, 559828), (173, 414208), (256, 279914), (346, 207104), (512, 139957), (692, 103552), (809, 88576), (1384, 51776), (1618, 44288), (2768, 25888), (3236, 22144), (5536, 12944), (6472, 11072)]