204551207

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 255214080

約数和(自身を除く): 50662873

約数列:

[1, 7, 19, 37, 133, 197, 211, 259, 703, 1379, 1477, 3743, 4009, 4921, 7289, 7807, 26201, 28063, 41567, 51023, 54649, 138491, 148333, 290969, 789773, 969437, 1038331, 1537979, 5528411, 10765853, 29221601, 204551207]

約数ペア:

[(1, 204551207), (7, 29221601), (19, 10765853), (37, 5528411), (133, 1537979), (197, 1038331), (211, 969437), (259, 789773), (703, 290969), (1379, 148333), (1477, 138491), (3743, 54649), (4009, 51023), (4921, 41567), (7289, 28063), (7807, 26201)]