166681405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 222969600

約数和(自身を除く): 56288195

約数列:

[1, 5, 11, 55, 97, 157, 199, 485, 785, 995, 1067, 1727, 2189, 5335, 8635, 10945, 15229, 19303, 31243, 76145, 96515, 156215, 167519, 212333, 343673, 837595, 1061665, 1718365, 3030571, 15152855, 33336281, 166681405]

約数ペア:

[(1, 166681405), (5, 33336281), (11, 15152855), (55, 3030571), (97, 1718365), (157, 1061665), (199, 837595), (485, 343673), (785, 212333), (995, 167519), (1067, 156215), (1727, 96515), (2189, 76145), (5335, 31243), (8635, 19303), (10945, 15229)]