78571664

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{114203}}^1$

素因数の和:114254

約数の個数: 20

約数和(自身を含む): 155774256

約数和(自身を除く): 77202592

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 114203, 228406, 456812, 913624, 1827248, 4910729, 9821458, 19642916, 39285832, 78571664]

約数ペア:

[(1, 78571664), (2, 39285832), (4, 19642916), (8, 9821458), (16, 4910729), (43, 1827248), (86, 913624), (172, 456812), (344, 228406), (688, 114203)]