257423916

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{320179}}^1$

素因数の和:320253

約数の個数: 24

約数和(自身を含む): 609622720

約数和(自身を除く): 352198804

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 320179, 640358, 960537, 1280716, 1921074, 3842148, 21451993, 42903986, 64355979, 85807972, 128711958, 257423916]

約数ペア:

[(1, 257423916), (2, 128711958), (3, 85807972), (4, 64355979), (6, 42903986), (12, 21451993), (67, 3842148), (134, 1921074), (201, 1280716), (268, 960537), (402, 640358), (804, 320179)]