220131968

素因数分解:

$2^7\times 7^1\times {\mathrm{245683}}^1$

素因数の和:245704

約数の個数: 32

約数和(自身を含む): 501195360

約数和(自身を除く): 281063392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 245683, 491366, 982732, 1719781, 1965464, 3439562, 3930928, 6879124, 7861856, 13758248, 15723712, 27516496, 31447424, 55032992, 110065984, 220131968]

約数ペア:

[(1, 220131968), (2, 110065984), (4, 55032992), (7, 31447424), (8, 27516496), (14, 15723712), (16, 13758248), (28, 7861856), (32, 6879124), (56, 3930928), (64, 3439562), (112, 1965464), (128, 1719781), (224, 982732), (448, 491366), (896, 245683)]