2108991005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{22811}}^1$

素因数の和:22909

約数の個数: 24

約数和(自身を含む): 2829965472

約数和(自身を除く): 720974467

約数列:

[1, 5, 11, 41, 55, 205, 451, 1681, 2255, 8405, 18491, 22811, 92455, 114055, 250921, 935251, 1254605, 4676255, 10287761, 38345291, 51438805, 191726455, 421798201, 2108991005]

約数ペア:

[(1, 2108991005), (5, 421798201), (11, 191726455), (41, 51438805), (55, 38345291), (205, 10287761), (451, 4676255), (1681, 1254605), (2255, 935251), (8405, 250921), (18491, 114055), (22811, 92455)]