71987248

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{264659}}^1$

素因数の和:264684

約数の個数: 20

約数和(自身を含む): 147680280

約数和(自身を除く): 75693032

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 264659, 529318, 1058636, 2117272, 4234544, 4499203, 8998406, 17996812, 35993624, 71987248]

約数ペア:

[(1, 71987248), (2, 35993624), (4, 17996812), (8, 8998406), (16, 4499203), (17, 4234544), (34, 2117272), (68, 1058636), (136, 529318), (272, 264659)]