201993429905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{6270167}}^1$

素因数の和:6270568

約数の個数: 16

約数和(自身を含む): 257327694720

約数和(自身を除く): 55334264815

約数列:

[1, 5, 17, 85, 379, 1895, 6443, 32215, 6270167, 31350835, 106592839, 532964195, 2376393293, 11881966465, 40398685981, 201993429905]

約数ペア:

[(1, 201993429905), (5, 40398685981), (17, 11881966465), (85, 2376393293), (379, 532964195), (1895, 106592839), (6443, 31350835), (32215, 6270167)]