217399955

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{6761}}^1$

素因数の和:6934

約数の個数: 16

約数和(自身を含む): 267775200

約数和(自身を除く): 50375245

約数列:

[1, 5, 59, 109, 295, 545, 6431, 6761, 32155, 33805, 398899, 736949, 1994495, 3684745, 43479991, 217399955]

約数ペア:

[(1, 217399955), (5, 43479991), (59, 3684745), (109, 1994495), (295, 736949), (545, 398899), (6431, 33805), (6761, 32155)]