671648

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:300

約数の個数: 24

約数和(自身を含む): 1340640

約数和(自身を除く): 668992

約数列:

[1, 2, 4, 8, 16, 32, 139, 151, 278, 302, 556, 604, 1112, 1208, 2224, 2416, 4448, 4832, 20989, 41978, 83956, 167912, 335824, 671648]

約数ペア:

[(1, 671648), (2, 335824), (4, 167912), (8, 83956), (16, 41978), (32, 20989), (139, 4832), (151, 4448), (278, 2416), (302, 2224), (556, 1208), (604, 1112)]