81817948

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{433}}^1\times {\mathrm{487}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 145289312

約数和(自身を除く): 63471364

約数列:

[1, 2, 4, 97, 194, 388, 433, 487, 866, 974, 1732, 1948, 42001, 47239, 84002, 94478, 168004, 188956, 210871, 421742, 843484, 20454487, 40908974, 81817948]

約数ペア:

[(1, 81817948), (2, 40908974), (4, 20454487), (97, 843484), (194, 421742), (388, 210871), (433, 188956), (487, 168004), (866, 94478), (974, 84002), (1732, 47239), (1948, 42001)]