80981744

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{297727}}^1$

素因数の和:297752

約数の個数: 20

約数和(自身を含む): 166132224

約数和(自身を除く): 85150480

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 297727, 595454, 1190908, 2381816, 4763632, 5061359, 10122718, 20245436, 40490872, 80981744]

約数ペア:

[(1, 80981744), (2, 40490872), (4, 20245436), (8, 10122718), (16, 5061359), (17, 4763632), (34, 2381816), (68, 1190908), (136, 595454), (272, 297727)]