2138654

素因数分解:

$2^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:312

約数の個数: 24

約数和(自身を含む): 3782520

約数和(自身を除く): 1643866

約数列:

[1, 2, 7, 14, 49, 98, 139, 157, 278, 314, 973, 1099, 1946, 2198, 6811, 7693, 13622, 15386, 21823, 43646, 152761, 305522, 1069327, 2138654]

約数ペア:

[(1, 2138654), (2, 1069327), (7, 305522), (14, 152761), (49, 43646), (98, 21823), (139, 15386), (157, 13622), (278, 7693), (314, 6811), (973, 2198), (1099, 1946)]