289978448

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{104761}}^1$

素因数の和:104942

約数の個数: 20

約数和(自身を含む): 565086228

約数和(自身を除く): 275107780

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 104761, 209522, 419044, 838088, 1676176, 18123653, 36247306, 72494612, 144989224, 289978448]

約数ペア:

[(1, 289978448), (2, 144989224), (4, 72494612), (8, 36247306), (16, 18123653), (173, 1676176), (346, 838088), (692, 419044), (1384, 209522), (2768, 104761)]