217437388

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{98299}}^1$

素因数の和:98389

約数の個数: 24

約数和(自身を含む): 440384000

約数和(自身を除く): 222946612

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 98299, 196598, 393196, 688093, 1376186, 2752372, 7765621, 15531242, 31062484, 54359347, 108718694, 217437388]

約数ペア:

[(1, 217437388), (2, 108718694), (4, 54359347), (7, 31062484), (14, 15531242), (28, 7765621), (79, 2752372), (158, 1376186), (316, 688093), (553, 393196), (1106, 196598), (2212, 98299)]