218872705

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{167}}^1\times {\mathrm{907}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 280986048

約数和(自身を除く): 62113343

約数列:

[1, 5, 17, 85, 167, 289, 835, 907, 1445, 2839, 4535, 14195, 15419, 48263, 77095, 151469, 241315, 262123, 757345, 1310615, 2574973, 12874865, 43774541, 218872705]

約数ペア:

[(1, 218872705), (5, 43774541), (17, 12874865), (85, 2574973), (167, 1310615), (289, 757345), (835, 262123), (907, 241315), (1445, 151469), (2839, 77095), (4535, 48263), (14195, 15419)]