219314872

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{206123}}^1$

素因数の和:206155

約数の個数: 32

約数和(自身を含む): 494697600

約数和(自身を除く): 275382728

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 206123, 412246, 824492, 1442861, 1648984, 2885722, 3916337, 5771444, 7832674, 11542888, 15665348, 27414359, 31330696, 54828718, 109657436, 219314872]

約数ペア:

[(1, 219314872), (2, 109657436), (4, 54828718), (7, 31330696), (8, 27414359), (14, 15665348), (19, 11542888), (28, 7832674), (38, 5771444), (56, 3916337), (76, 2885722), (133, 1648984), (152, 1442861), (266, 824492), (532, 412246), (1064, 206123)]