212144492

素因数分解:

$2^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{19991}}^1$

素因数の和:20381

約数の個数: 24

約数和(自身を含む): 425429760

約数和(自身を除く): 213285268

約数列:

[1, 2, 4, 7, 14, 28, 379, 758, 1516, 2653, 5306, 10612, 19991, 39982, 79964, 139937, 279874, 559748, 7576589, 15153178, 30306356, 53036123, 106072246, 212144492]

約数ペア:

[(1, 212144492), (2, 106072246), (4, 53036123), (7, 30306356), (14, 15153178), (28, 7576589), (379, 559748), (758, 279874), (1516, 139937), (2653, 79964), (5306, 39982), (10612, 19991)]