206149744

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{211219}}^1$

素因数の和:211288

約数の個数: 20

約数和(自身を含む): 405964840

約数和(自身を除く): 199815096

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 211219, 422438, 844876, 1689752, 3379504, 12884359, 25768718, 51537436, 103074872, 206149744]

約数ペア:

[(1, 206149744), (2, 103074872), (4, 51537436), (8, 25768718), (16, 12884359), (61, 3379504), (122, 1689752), (244, 844876), (488, 422438), (976, 211219)]